“Braille pattern dots-0”的意思、由来-开放百科全书

词条

Braille pattern dots-0

释义

Unified Braille
Plus dots 7 and 8
Notes

The Braille pattern dots-0 ( {{Braille cell|0|type=text}} ), also called a blank Braille pattern, is a 6-dot or 8-dot braille cell with no dots raised. It is represented by the Unicode code point U+2800, and in Braille ASCII with a space.

{{charmap
|2800
|name1=Braille pattern blank.
|image1={{Braille cell|0|type=image}}
|map1=Braille ASCII|map1char1=20
}}

Unified Braille

In all braille systems, the braille pattern dots-0 is used to represent a space or the lack of content.^[1]

Plus dots 7 and 8

Related to Braille pattern dots-0 are Braille patterns 7, 8, and 78, which are used in 8-dot braille systems, such as Gardner-Salinas and Luxembourgish Braille.

{{charmap
|2840
|2880
|28C0
|name1=Braille pattern dots-7
|name2=Braille pattern dots-8
|name3=Braille pattern dots-78
|image1={{Braille cell|7|type=image}}
|image2={{Braille cell|8|type=image}}
|image3={{Braille cell|78|type=image}}
}}

dot 7	dot 8	dots 78
Gardner Salinas Braille ^[2]	end misc. symbol	invert modifier

Notes

1. ^{{cite web|title=World Braille Usage|url=http://www.duxburysystems.com/documentation/manuals.asp?book=World_1990|publisher=UNESCO|accessdate=2012-04-19}}.
2. ^{{cite web |title=Index of Topics in Braille Section |url=http://dots.physics.orst.edu/gs_index.html |work=Oregon State University Science Access Project Braille topics. |accessdate=2012-04-29 |deadurl=yes |archiveurl=https://web.archive.org/web/20120420124208/http://dots.physics.orst.edu/gs_index.html |archivedate=2012-04-20 |df= }}
3. ^{{cite book|last=UNESCO|title=World Braille Usage|year=2013|publisher=National Library Service for the Blind and Physically Handicapped, Library of Congress|location=Washington, DC|isbn=978-0-8444-9564-4|page=88|url=http://www.pharmabraille.com/LiteratureRetrieve.aspx?ID=122064}}

1 : Braille patterns

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