subscript operator

Subscript: Small character printed below the base line as part of mathematic equation. Also called Inferior character.

下标字符:在数学公式内，放在基线下的细字。

Superior characters: Letters or numbers which are smaller than text size and are positioned above the text character. Also called Superscript. See Inferior characters.

上标字符:放在内文字词上角，较内文字为细的字母或数字。参阅下标字符。

Inferior characters: Letters or numbers which ar4e smaller than text size and are positioned on or below the baseline.

下标字符:较内文字为细的字母或数字，放置于基线或更低位置。

An inferior character, such as the number2 in CO2.

下标符号一个下标的字或符号，如CO2中的数字2

standard FORTRAN character

标准ＦＯＲＴＲＡＮ字符

Raised text will become superscript, and lowered text will become subscript.

提升/降低的字符将转换为上标/下标。

(printing) written or printed below and to one side of another character.

（印刷）写或标在字下方或下角的字或符号。

The Extracting and Processing of Printing Characters in Nature;

自然环境下标记体字符的处理和提取

Diacriticals: Marks above and below letters ,such as accents or th cedilla,

发间符号:在字母上面或下面的符号，如音标或变音符号。

USASCSOCR (USA Standard Character Set for Optical Character Recognition)

美国光学字符识别标准字符集

Character: Any letter, figure, punctuation mark or symbol in typesetting.

字符:排字时所用的任何字母、数字、标点、和符号。

"One of the fields contains an invalid character. The following characters are not allowed:

"某一字符域含有无效字符。不能使用下列字符:

Any character in a character set, excluding non-alphabetic characters (such as the copyright symbol, or a block graphics symbol, for example).

标准字符：字符集中的任意字符，除去非字母字符(如版权标识或者块标志)。

American National Standard Control

美国国家标准控制字符

labelled field of symbolic instruction

符号指令的标号字段

variable field designator pseudooperation

可变字段标志符伪操作

A code extension character, used to terminate a sequence that has been introduced by the shift-out character, that makes effective the graphic characters of the standard character set.

一种代码扩充字符,用于结束由移出字符引进的一串字符,从而使标准字符集的图形字符有效。

There are five kinds of tokens: identifiers, keywords, literals,18) operators, and other separators.

共有五种标记：标识符，关键字，文字量18)运算符，以及其他分隔符。