雜項技術符號

雜項技術符號; Miscellaneous Technical
範圍	U+2300..U+23FF; （256個碼位）
平面	基本多文種平面（BMP）
文字	通用
符號系列	技術符號; APL符號; 牙科符號
已分配	256個碼位
未分配	0個保留碼位 ; 2個廢棄碼位
來源標準	ISO 2047（英语：ISO 2047） · ISO 9995-7
統一碼版本歷史
1.0.0	45 (+45)
1.0.1	43 (-2)
1.1	122 (+79)
3.0	154 (+32)
3.2	207 (+53)
4.0	209 (+2)
4.1	220 (+11)
5.0	232 (+12)
5.2	233 (+1)
6.0	244 (+11)
7.0	251 (+7)
9.0	255 (+4)
10.0	256 (+1)
	註釋：在Unicode 1.0.1版本中，為了與ISO 10646統合，本區塊移除了兩個字符。

雜項工業符號是一個位於基本多文種平面的Unicode區塊，包含了用於工業、程式語言及學術上的各式常見符號。如：

本页面有特殊字符，操作系统及浏览器須支持特殊字母与符号才能正確显示，否则可能變成乱码、问号、空格等其它符号。

U+2302 ⌂ 表示一間屋子或一個住家。
U+2318 ⌘ 表示Mac键盘上的Command键。
U+231A ⌚ 即手錶。
U+232C ⌬ 即苯環。
U+23CF ⏏ 即電子用品上的“退出”按鍵。
U+23DA ⏚ 即電器及相關手冊、標籤的“接地”符號。

本區塊同時也包含APL語言使用的大部份特殊符號。

區塊

雜項技術符號 Miscellaneous Technical^[1]^[2] Unicode Consortium 官方碼表（PDF）
	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
U+230x	⌀	⌁	⌂	⌃	⌄	⌅	⌆	⌇	⌈	⌉	⌊	⌋	⌌	⌍	⌎	⌏
U+231x	⌐	⌑	⌒	⌓	⌔	⌕	⌖	⌗	⌘	⌙	⌚	⌛	⌜	⌝	⌞	⌟
U+232x	⌠	⌡	⌢	⌣	⌤	⌥	⌦	⌧	⌨	〈	〉	⌫	⌬	⌭	⌮	⌯
U+233x	⌰	⌱	⌲	⌳	⌴	⌵	⌶	⌷	⌸	⌹	⌺	⌻	⌼	⌽	⌾	⌿
U+234x	⍀	⍁	⍂	⍃	⍄	⍅	⍆	⍇	⍈	⍉	⍊	⍋	⍌	⍍	⍎	⍏
U+235x	⍐	⍑	⍒	⍓	⍔	⍕	⍖	⍗	⍘	⍙	⍚	⍛	⍜	⍝	⍞	⍟
U+236x	⍠	⍡	⍢	⍣	⍤	⍥	⍦	⍧	⍨	⍩	⍪	⍫	⍬	⍭	⍮	⍯
U+237x	⍰	⍱	⍲	⍳	⍴	⍵	⍶	⍷	⍸	⍹	⍺	⍻	⍼	⍽	⍾	⍿
U+238x	⎀	⎁	⎂	⎃	⎄	⎅	⎆	⎇	⎈	⎉	⎊	⎋	⎌	⎍	⎎	⎏
U+239x	⎐	⎑	⎒	⎓	⎔	⎕	⎖	⎗	⎘	⎙	⎚	⎛	⎜	⎝	⎞	⎟
U+23Ax	⎠	⎡	⎢	⎣	⎤	⎥	⎦	⎧	⎨	⎩	⎪	⎫	⎬	⎭	⎮	⎯
U+23Bx	⎰	⎱	⎲	⎳	⎴	⎵	⎶	⎷	⎸	⎹	⎺	⎻	⎼	⎽	⎾	⎿
U+23Cx	⏀	⏁	⏂	⏃	⏄	⏅	⏆	⏇	⏈	⏉	⏊	⏋	⏌	⏍	⏎	⏏
U+23Dx	⏐	⏑	⏒	⏓	⏔	⏕	⏖	⏗	⏘	⏙	⏚	⏛	⏜	⏝	⏞	⏟
U+23Ex	⏠	⏡	⏢	⏣	⏤	⏥	⏦	⏧	⏨	⏩	⏪	⏫	⏬	⏭	⏮	⏯
U+23Fx	⏰	⏱	⏲	⏳	⏴	⏵	⏶	⏷	⏸	⏹	⏺	⏻	⏼	⏽	⏾	⏿
註釋 1.^ 依據 Unicode 14.0 2.^ 碼位U+2329和U+232A於5.2版本時廢棄

繪文字

本页面有Unicode繪文字與表情符號，操作系统及浏览器須支持特殊字母与符号才能正確显示，否则可能變成問號、方框或其他符號。

本區塊包含18個繪文字：U+231A..U+231B、U+2328、U+23CF、U+23E9–U+23F3及U+23F8..U+23FA。^[4]^[5]

此區塊共定義了30個标准化變體，为15個基本字符指定顯示樣式：採用U+FE0E ︎ VARIATION SELECTOR-15（VS15）以文本顯示，或採用U+FE0F ️ VARIATION SELECTOR-16（VS16）以繪文字顯示。這15個基本字符為U+231A..U+231B、U+2328、U+23CF、U+23E9..U+23EA、U+23ED..U+23EF、U+23F1..U+23F3及U+23F8..U+23FA。基本字符默認的顯示樣式既有文本，又有繪文字。^[6]

繪文字表達與變體序列
U+	231A	231B	2328	23CF	23E9	23EA	23EB	23EC	23ED
默認樣式	繪文字	繪文字	文本	文本	繪文字	繪文字	繪文字	繪文字	文本
基礎碼位	⌚	⌛	⌨	⏏	⏩	⏪	⏫	⏬	⏭
基礎+VS15（文本）	⌚︎	⌛︎	⌨︎	⏏︎	⏩︎	⏪︎			⏭︎
基礎+VS16（繪文字）	⌚️	⌛️	⌨️	⏏️	⏩️	⏪️			⏭️

U+	23EE	23EF	23F0	23F1	23F2	23F3	23F8	23F9	23FA
默認樣式	文本	文本	繪文字	文本	文本	繪文字	文本	文本	文本
基礎碼位	⏮	⏯	⏰	⏱	⏲	⏳	⏸	⏹	⏺
基礎+VS15（文本）	⏮︎	⏯︎		⏱︎	⏲︎	⏳︎	⏸︎	⏹︎	⏺︎
基礎+VS16（繪文字）	⏮️	⏯️		⏱️	⏲️	⏳️	⏸️	⏹️	⏺️

歷史

以下Unicode文檔記錄了定義本區塊中特定字符的目的與過程：

版本	最終碼位^[a]	碼位数	L2（英语：International Committee for Information Technology Standards） ID	WG2（英语：ISO/IEC JTC 1/SC 2） ID	文檔
1.0.0	U+2302..232C	43			（待考）
			L2/01-295R		Moore, Lisa, Motion 88-M12, Minutes from the UTC/L2 meeting #88, 2001-11-06, The UTC approves changing the annotations of U+2329 and U+232A to reference U+27E8 and U+27E9 as the correct characters to use. It also approves adding an annotation to U+2329 and U+232A to discourage their use.
			L2/08-275		Freytag, Asmus, Comments on the proposed deprecation of characters (public review item #122), 2008-07-31
			L2/08-278		Pentzlin, Karl, Comments on Public Review Issue #122, 2008-08-04
			L2/08-287		Davis, Mark, Public Review Issue #122: Proposal for Additional Deprecated Characters, 2008-08-04
			L2/08-253R2		Moore, Lisa, Consensus 116-C13, UTC #116 Minutes, 2008-08-19, Change the deprecated property by removing 0340, 0341, 17D3, and adding 0149, 0F77, 0F79, 17A4, 2329, 232A.
			L2/08-328 (html, xls （页面存档备份，存于互联网档案馆）)		Whistler, Ken, Spreadsheet of Deprecation and Discouragement, 2008-10-14
			L2/10-351	N3897 （页面存档备份，存于互联网档案馆）	6. Annotations to be changed for existing characters, Proposal to incorporate symbols of ISO/IEC 9995-7:2009 and Amendment 1 into the UCS, 2010-09-21
			L2/10-448		Constable, Peter, 6. Annotations to be changed for existing characters, UTC Liaison Report from WG2, 2010-10-30
			L2/11-438^[b]^[c]	N4182 （页面存档备份，存于互联网档案馆）	Edberg, Peter, Emoji Variation Sequences (Revision of L2/11-429), 2011-12-22
			L2/12-302	N4317 （页面存档备份，存于互联网档案馆）	Pentzlin, Karl, Revised proposal to incorporate the symbols of ISO/IEC 9995-7:2009, 2012-10-08
			L2/13-058		Moore, Lisa, Consensus 135-C14, UTC #135 Minutes, 2013-06-12
			L2/15-050R^[d]^[c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
			L2/15-301^[e]^[c]		Pournader, Roozbeh, A proposal for 278 standardized variation sequences for emoji, 2015-11-01
1.1	U+2300, 232D..237A	79			（待考）
3.0	U+2301, 237B, 237D..237F	5		N1045	Defect Report on 10646 Repoertoire (Add ISO 2047symbols), 1994-08-01
				N1203 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S.; Ksar, Mike, 6.1.3.2, Unconfirmed minutes of SC2/WG2 Meeting 27, Geneva, 1995-05-03
			L2/98-004R	N1681	Text of ISO 10646 – AMD 18 for PDAM registration and FPDAM ballot, 1997-12-22
			L2/98-318	N1894 （页面存档备份，存于互联网档案馆）	Revised text of 10646-1/FPDAM 18, AMENDMENT 18: Symbols and Others, 1998-10-22
			L2/99-010	N1903 (pdf, html （页面存档备份，存于互联网档案馆）, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 6.7.3, Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
	U+2380..238C, 2396..239A	18		N1138	LaBonté, Alain, Proposal to add new characters (Keyboard related) to 10646, 1995-01-30
				N1203 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S.; Ksar, Mike, 6.1.6, Unconfirmed minutes of SC2/WG2 Meeting 27, Geneva, 1995-05-03
				N1303 (html, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S.; Ksar, Mike, Minutes of Meeting 29, Tokyo, 1996-01-26
			L2/97-128	N1564	Paterson, Bruce, Draft pDAM for various additional characters (the "holding bucket"), 1997-05-15
			L2/97-167	N1625 （页面存档备份，存于互联网档案馆）	Suignard, Michel, Report of ad hoc group on keyboard symbols, 1997-07-03
				N1669 （页面存档备份，存于互联网档案馆）	Position on PDAM-NN - Symbols - ref N1625, 1997-08-05
			L2/97-288	N1603 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 7.3, Unconfirmed Meeting Minutes, WG 2 Meeting # 33, Heraklion, Crete, Greece, 20 June – 4 July 1997, 1997-10-24
			L2/98-005R	N1682	Text of ISO 10646 - AMD 22 for PDAM registration and PDAM ballot, 1997-12-17
				N1830 (html, doc)	Summary of Voting/Table of Replies - Amendment 22 - Symbols, 1998-04-15
				N1816R （页面存档备份，存于互联网档案馆）	Paterson, Bruce, Disposition of comments on PDAM.22 (2nd draft), 1998-09-22
			L2/98-320	N1898 （页面存档备份，存于互联网档案馆）	ISO/IEC 10646-1/FPDAM 22, AMENDMENT 22: Keyboard Symbols, 1998-10-22
				N1897 （页面存档备份，存于互联网档案馆）	Paterson, Bruce; Everson, Michael, Disposition of Comments - FPDAM22 - Keyboard Symbols - SC2 N3191, 1998-10-22
			L2/99-010	N1903 (pdf, html （页面存档备份，存于互联网档案馆）, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
			L2/99-126		Paterson, Bruce, Text for FDAM ballot ISO/IEC 10646 FDAM #22 - Keyboard symbols, 1999-04-14
			L2/99-232	N2003 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 6.2.5 FPDAM22 - Keyboard Symbols, Minutes of WG 2 meeting 36, Fukuoka, Japan, 1999-03-09--15, 1999-08-03
			L2/15-050R^[d]^[c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
	U+238D..2394	8	X3L2/94-072	N985	Ross, Hugh McGregor, Electrotechnical Symbols for First Addendum, 1994-03-28
				N1146	Ross, Hugh McGregor, Extra Electrotechnical Symbols - proposal summary form for N985
				N1303 (html, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S.; Ksar, Mike, 8.8.3 Electrotechnical symbols, Minutes of Meeting 29, Tokyo, 1996-01-26
				N1353 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S.; Ksar, Mike, 8.7.4, Draft minutes of WG2 Copenhagen Meeting # 30, 1996-06-25
			L2/98-004R	N1681	Text of ISO 10646 – AMD 18 for PDAM registration and FPDAM ballot, 1997-12-22
			L2/98-318	N1894 （页面存档备份，存于互联网档案馆）	Revised text of 10646-1/FPDAM 18, AMENDMENT 18: Symbols and Others, 1998-10-22
			L2/99-010	N1903 (pdf, html （页面存档备份，存于互联网档案馆）, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 6.7.3, Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
			L2/00-083	N2174 （页面存档备份，存于互联网档案馆）	Ross, Hugh McGregor, Comment on IEC 61286-2, Electrotechnical Symbols, 2000-03-03
	U+2395	1		N1087	Suggested additions to repertoire of APL, 1994-10-07
				N1117 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S.; Ksar, Mike, 9.4.2, Unconfirmed Minutes of ISO/IEC JTC 1/SC 2/WG 2 Meeting 26, Tuscan Inn - Fisherman's Wharf, San Francisco, CA, UAS; 1994-10-10 through 14, 1994-10-31
				N1303 (html, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S.; Ksar, Mike, 8.1 APL, Minutes of Meeting 29, Tokyo, 1996-01-26
				N1419	Clayton, Leigh, Proposal Summary Form - APL Function Symbol Quad, 1996-07-22
				N1453 （页面存档备份，存于互联网档案馆）	Ksar, Mike; Umamaheswaran, V. S., 8.7.3, WG 2 Minutes - Quebec Meeting 31, 1996-12-06
			X3L2/96-123		Aliprand, Joan; Winkler, Arnold, Quad symbol, Preliminary Minutes - UTC #71 & X3L2 #168 ad hoc meeting, San Diego - December 5-6, 1996, 1996-12-18, The UTC accepts the change of APL quad symbol from 237B to 2395
			L2/98-004R	N1681	Text of ISO 10646 – AMD 18 for PDAM registration and FPDAM ballot, 1997-12-22
			L2/98-318	N1894 （页面存档备份，存于互联网档案馆）	Revised text of 10646-1/FPDAM 18, AMENDMENT 18: Symbols and Others, 1998-10-22
3.2	U+237C, 23B4..23B6	4	L2/00-119^[f]	N2191R （页面存档备份，存于互联网档案馆）	Whistler, Ken; Freytag, Asmus, Encoding Additional Mathematical Symbols in Unicode, 2000-04-19
			L2/00-234	N2203 (rtf, txt （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 8.18, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
			L2/00-115R2		Moore, Lisa, Motion 83-M11, Minutes Of UTC Meeting #83, 2000-08-08
			L2/05-279		Moore, Lisa, Consensus 105-C36, UTC #105 Minutes, 2005-11-10, Properties - Brackets (B.14.3)
	U+239B..23B3	25	L2/99-043		Sargent, Murray, Mathematical brace pieces, 1999-02-04
			L2/99-054R		Aliprand, Joan, Math Braces, etc., Approved Minutes from the UTC/L2 meeting in Palo Alto, February 3-5, 1999, 1999-06-21
			L2/99-346R		Sargent, Murray, Mathematical brace pieces, 1999-10-27
			L2/99-260R		Moore, Lisa, Math Brace Characters, Minutes of the UTC/L2 meeting in Mission Viejo, October 26-28, 1999, 2000-02-07
			L2/00-119^[f]	N2191R （页面存档备份，存于互联网档案馆）	Whistler, Ken; Freytag, Asmus, Encoding Additional Mathematical Symbols in Unicode, 2000-04-19
			L2/00-234	N2203 (rtf, txt （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 8.18, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
	U+23B7..23BD	7	L2/00-159		da Cruz, Frank, Supplemental Terminal Graphics for Unicode, 2000-03-31
			L2/00-115R2		Moore, Lisa, Motion 83-M24, Minutes Of UTC Meeting #83, 2000-08-08
			L2/00-329	N2265 （页面存档备份，存于互联网档案馆）	Whistler, Ken, Proposal for Terminal Graphic Symbols in the BMP, 2000-09-19
			L2/01-050	N2253 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., Resolution M39.20 (Terminal Graphic Symbols), Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21
	U+23BE..23CC, 23CE	16	L2/99-238		Consolidated document containing 6 Japanese proposals, 1999-07-15
				N2092 （页面存档备份，存于互联网档案馆）	Addition of forty eight characters, 1999-09-13
				N2093 （页面存档备份，存于互联网档案馆）	Addition of medical symbols and enclosed numbers, 1999-09-13
			L2/99-365		Moore, Lisa, Comments on JCS Proposals, 1999-11-23
			L2/00-010	N2103 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 8.8, Minutes of WG 2 meeting 37, Copenhagen, Denmark: 1999-09-13--16, 2000-01-05
			L2/00-024		Shibano, Kohji, JCS proposal revised, 2000-01-31
			L2/99-260R		Moore, Lisa, JCS Proposals, Minutes of the UTC/L2 meeting in Mission Viejo, October 26-28, 1999, 2000-02-07
			L2/00-098, L2/00-098-page5	N2195 （页面存档备份，存于互联网档案馆）	Rationale for non-Kanji characters proposed by JCS committee, 2000-03-15
			L2/00-234	N2203 (rtf, txt （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 8.20, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
			L2/00-115R2		Moore, Lisa, Motion 83-M3, Minutes Of UTC Meeting #83, 2000-08-08
			L2/00-298	N2258 （页面存档备份，存于互联网档案馆）	Sato, T. K., JIS X 0213 symbols part-2, 2000-09-04
			L2/00-342	N2278 （页面存档备份，存于互联网档案馆）	Sato, T. K.; Everson, Michael; Whistler, Ken; Freytag, Asmus, Ad hoc Report on Japan feedback N2257 and N2258, 2000-09-20
			L2/01-050	N2253 （页面存档备份，存于互联网档案馆）	Umamaheswaran, V. S., 7.16 JIS X0213 Symbols, Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21
			L2/01-114	N2328 （页面存档备份，存于互联网档案馆）	Summary of Voting on SC 2 N 3503, ISO/IEC 10646-1: 2000/PDAM 1, 2001-03-09
			L2/01-227		Whistler, Ken, ITEM 5, WG2 Consent Docket for UTC #87, 2001-05-22
			L2/01-184R		Moore, Lisa, Motion 87-M16, ITEM 5, Minutes from the UTC/L2 meeting, 2001-06-18
			L2/01-344	N2353 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., SE6, Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001, 2001-09-09
	U+23CD	1	L2/98-374	N1887R （页面存档备份，存于互联网档案馆）	Freytag, Asmus, Three symbols, 1998-09-24
			L2/99-010	N1903 (pdf, html （页面存档备份，存于互联网档案馆）, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30
			L2/00-091	N2184 （页面存档备份，存于互联网档案馆）	Freytag, Asmus, Additional information on the proposal to add three symbols, 2000-03-14
			L2/00-234	N2203 (rtf, txt （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., 8.7, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21
			L2/00-115R2		Moore, Lisa, Minutes Of UTC Meeting #83, 2000-08-08
4.0	U+23CF	1	L2/01-414		Jenkins, John, Proposal to Add the Eject Key Symbol to Unicode, 2001-11-02
			L2/01-452		Freytag, Asmus; Everson, Michael, Response to the EJECT SYMBOL proposal, 2001-11-07
			L2/02-072		Goldsmith, Deborah, Eject Symbol, 2002-02-10
			L2/02-070		Moore, Lisa, Consensus: Accept the addition of the EJECT SYMBOL at U+23CF., Minutes for UTC #90, 2002-08-26
			L2/15-050R^[d]^[c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
			L2/15-301^[e]^[c]		Pournader, Roozbeh, A proposal for 278 standardized variation sequences for emoji, 2015-11-01
	U+23D0	1	L2/02-278		Muller, Eric, Proposal to add a VERTICAL LINE EXTENSION character, 2002-07-30
	U+23D0	1	L2/02-371	N2508 （页面存档备份，存于互联网档案馆）	Muller, Eric, Proposal to add a Vertical Line Extension character to 10646, 2002-10-30
4.1	U+23D1..23D9	9	L2/02-030		Anderson, Deborah, Metrical Signs Proposal for Unicode, 2002-01-21
			L2/02-033		Anderson, Deborah, TLG Unicode Proposal (draft), 2002-01-21
			L2/02-053		Anderson, Deborah, Description of TLG Documents, 2002-02-04
			L2/02-273		Pantelia, Maria, TLG Unicode Proposal, 2002-07-31
			L2/02-287		Pantelia, Maria, Proposal Summary Form accompanying TLG Unicode Proposal (L2/02-273), 2002-08-09
			L2/02-315R2	N2546 （页面存档备份，存于互联网档案馆）	Pantelia, Maria, Proposal for encoding Greek Metrical Symbols in the UCS, 2002-11-07
			L2/04-196	N2653 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M44.5 aa, Unconfirmed minutes of WG 2 meeting 44, 2004-06-04
	U+23DA..23DB	2	L2/02-423	N2513 （页面存档备份，存于互联网档案馆）	Hong Kong Special Administrative Region submission to WG2 for ISO 10646, 2002-10-25
			L2/03-356R2		Moore, Lisa, Six HKSCS characters (B.14.2), UTC #97 Minutes, 2003-10-22
			L2/03-411		Goldsmith, Deborah; Muller, Eric, Unencoded chars in GB 18030 & HK-SCS, 2003-10-31
			L2/04-161R	N2807 （页面存档备份，存于互联网档案馆）	Suignard, Michel; Muller, Eric; Jenkins, John, HKSCS and GB 18030 PUA characters, background document, 2004-06-17
			L2/04-240	N2791 （页面存档备份，存于互联网档案馆）	Muller, Eric, Evidence for the Earth and Fuse proposed characters, 2004-06-10
			L2/04-263	N2808 （页面存档备份，存于互联网档案馆）	Suignard, Michel, HKSCS and GB 18030 PUA characters, request for additional characters and related information, 2004-06-17
			L2/05-038	N2926 （页面存档备份，存于互联网档案馆）	Suignard, Michel, China Comment 1, Disposition of comments on SC2 N 3760 (FPDAM text for Amendment 1 to ISO/IEC 10646:2003), 2005-01-27
5.0	U+23DC..23E1	6	L2/04-329	N2842 （页面存档备份，存于互联网档案馆）	Sargent, Murray, Mathematical Horizontal Bracket Characters, 2004-08-03
			L2/05-270		Whistler, Ken, B. Horizontal mathematical bracket, WG2 Consent Docket (Sophia Antipolis), 2005-09-21
			L2/05-279		Moore, Lisa, Consensus 105-C29, UTC #105 Minutes, 2005-11-10
				N2953 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M47.9, Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15, 2006-02-16
	U+23E2..23E7	6	L2/04-406		Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David, Progress report on Mathematical Symbols, 2004-11-15
			L2/04-410		Freytag, Asmus, Twenty six mathematical characters, 2004-11-18
			L2/05-270		Whistler, Ken, B, WG2 Consent Docket (Sophia Antipolis), 2005-09-21
			L2/05-279		Moore, Lisa, Consensus 105-C29, UTC #105 Minutes, 2005-11-10
				N2953 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M47.9, Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15, 2006-02-16
5.2	U+23E8	1	L2/08-030R		Broukhis, Leonid, Revised proposal to encode the decimal exponent symbol, 2008-01-22
			L2/08-003		Moore, Lisa, Subscript Ten, UTC #114 Minutes, 2008-02-14
			L2/08-318	N3453 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M52.20b, Unconfirmed minutes of WG 2 meeting 52, 2008-08-13
6.0	U+23E9..23F3^[c]	11	L2/01-452		Freytag, Asmus; Everson, Michael, Response to the EJECT SYMBOL proposal, 2001-11-07
			L2/02-085	N2415 （页面存档备份，存于互联网档案馆）	Freytag, Asmus; Everson, Michael; Goldsmith, Deborah, Playback Symbols, 2002-02-12
			L2/09-007		Lommel, Arle, Comparison of Emoticons from Major Vendors, 2008-12-26
			L2/09-025R2	N3582^[g]	Scherer, Markus; Davis, Mark; Momoi, Kat; Tong, Darick; Kida, Yasuo; Edberg, Peter, Proposal for Encoding Emoji Symbols, 2009-03-05
			L2/09-026R	N3583 （页面存档备份，存于互联网档案馆）	Scherer, Markus; Davis, Mark; Momoi, Kat; Tong, Darick; Kida, Yasuo; Edberg, Peter, Emoji Symbols Proposed for New Encoding, 2009-02-06
			L2/09-027R2	N3681 （页面存档备份，存于互联网档案馆）	Scherer, Markus, Emoji Symbols: Background Data, 2009-09-17
			L2/09-114	N3607 （页面存档备份，存于互联网档案馆）	Towards an encoding of symbol characters used as emoji, 2009-04-06
			L2/09-139	N3614^[h]	Scherer, Markus; Davis, Mark; Momoi, Kat; Tong, Darick; Kida, Yasuo; Edberg, Peter, Response to Concerns Raised in N3607 About Encoding Emoji Characters, 2009-04-09
			L2/09-412	N3722 （页面存档备份，存于互联网档案馆）	Suignard, Michel, Ireland E1, Disposition of comments on SC2 N 4078 (PDAM text for Amendment 8 to ISO/IEC 10646:2003), 2009-10-26
			L2/10-132		Scherer, Markus; Davis, Mark; Momoi, Kat; Tong, Darick; Kida, Yasuo; Edberg, Peter, Emoji Symbols: Background Data, 2010-04-27
			L2/12-368	N4384 （页面存档备份，存于互联网档案馆）	Suignard, Michel, Status of encoding of Wingdings and Webdings Symbols, 2012-11-06
			L2/15-050R^[d]^[c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
			L2/15-301^[e]^[c]		Pournader, Roozbeh, A proposal for 278 standardized variation sequences for emoji, 2015-11-01
			L2/16-361		Pournader, Roozbeh; Felt, Doug, Add text and emoji standardized variation sequences for 96 symbols, 2016-11-07
7.0	U+23F4..23FA	7	L2/01-452		Freytag, Asmus; Everson, Michael, Response to the EJECT SYMBOL proposal, 2001-11-07
			L2/02-085	N2415 （页面存档备份，存于互联网档案馆）	Freytag, Asmus; Everson, Michael; Goldsmith, Deborah, Playback Symbols, 2002-02-12
			L2/12-368	N4384 （页面存档备份，存于互联网档案馆）	Suignard, Michel, Status of encoding of Wingdings and Webdings Symbols, 2012-11-06
			L2/15-050R^[d]^[c]		Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29
			L2/15-301^[e]^[c]		Pournader, Roozbeh, A proposal for 278 standardized variation sequences for emoji, 2015-11-01
9.0	U+23FB..23FE	4	L2/14-053		Anderson, Deborah; Whistler, Ken; McGowan, Rick; Pournader, Roozbeh; Iancu, Laurențiu, 25, Recommendations to UTC #138 February 2014 on Script Proposals, 2014-01-26
			L2/14-059	N4535 （页面存档备份，存于互联网档案馆）	Everson, Michael, Towards a proposal to encode power symbols in the UCS, 2014-02-04
			L2/14-009R	N4567 （页面存档备份，存于互联网档案馆）	Eden, Terence; Loughry, Joe; Nordman, Bruce, Proposal to Include IEC Power Symbols, 2014-02-14
			L2/14-026		Moore, Lisa, E.2, UTC #138 Minutes, 2014-02-17
				N4553 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M62.09d, M62.09e, M62.09j, M62.09k, Minutes of WG 2 meeting 62 Adobe, San Jose, CA, USA, 2014-09-16
			L2/14-177		Moore, Lisa, Consensus 140-C26, UTC #140 Minutes, 2014-10-17, Change U+1F32D BLACK WANING CRESCENT MOON to U+23FE POWER SLEEP SYMBOL.
			L2/16-052	N4603 (pdf, doc （页面存档备份，存于互联网档案馆）)	Umamaheswaran, V. S., M63.03i, Unconfirmed minutes of WG 2 meeting 63, 2015-09-01
10.0	U+23FF	1	L2/15-031R		Griffee, Simon, International symbol for an observer, 2015-02-26
			L2/15-017		Moore, Lisa, E.2, UTC #142 Minutes, 2015-02-12
			L2/15-095		McGowan, Rick, Examples of OBSERVER EYE SYMBOL, in support of proposal L2/15-031R, 2015-03-09
			L2/15-107		Moore, Lisa, E.3, UTC #143 Minutes, 2015-05-12

另見

Unicode中的數學運算符與符號（英语：Mathematical operators and symbols in Unicode）
Unicode符號
媒體控制符號（英语：Media control symbols）

參考資料

[1]

[2]

[3]

[1]

[2]

[4]

[5]

[6]

[a]

[b]

[c]

[d]

[e]

[f]

[g]

[h]

Search

雜項技術符號

目录

區塊

繪文字

歷史

另見

參考資料

雜項技術符號 Miscellaneous Technical
範圍	U+2300..U+23FF （256個碼位）
平面	基本多文種平面（BMP）
文字	通用
符號系列	技術符號 APL符號牙科符號
已分配	256個碼位
未分配	0個保留碼位 2個廢棄碼位
來源標準	ISO 2047（英语：ISO 2047） · ISO 9995-7
統一碼版本歷史

1.0.0	45 (+45)
1.0.1	43 (-2)
1.1	122 (+79)
3.0	154 (+32)
3.2	207 (+53)
4.0	209 (+2)
4.1	220 (+11)
5.0	232 (+12)
5.2	233 (+1)
6.0	244 (+11)
7.0	251 (+7)
9.0	255 (+4)
10.0	256 (+1)

註釋：在Unicode 1.0.1版本中，為了與ISO 10646統合，本區塊移除了兩個字符。^[1]^[2]^[3]