英语词汇“subject header”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

subject header n. (a) U.S. a library worker responsible for assigning subject categories to books for the purposes of classification (now rare); (b) Computing a header (header n. 10) or part of a header which identifies the subject or topic of the following data, document, etc.; esp. the subject line of an email.

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1901 Libr. Jrnl. July 384/1 It was decided to have one person in charge of the classification and another of the subject heading... Any changes..were referred to the classifier and subject header in charge.

1944 Libr. Q. 14 103/2 The subject-header has the advantage of the classifier..in that he does not have to choose between alternative subjects but may enter under both.

1980 InfoWorld 13 Oct. 20/1 Each [control character] can designate one subject header. For example, categories might be sports, entertainment, education, cultural activities, [etc.].

2009 M. Senate Secret of Joy 334 Out of the blue, several years ago, I received an email with the subject header: I think you might be my half sister.

单词	subject header
释义	> as lemmas subject header subject header n. (a) U.S. a library worker responsible for assigning subject categories to books for the purposes of classification (now rare); (b) Computing a header (header n. 10) or part of a header which identifies the subject or topic of the following data, document, etc.; esp. the subject line of an email. ΚΠ 1901 Libr. Jrnl. July 384/1 It was decided to have one person in charge of the classification and another of the subject heading... Any changes..were referred to the classifier and subject header in charge. 1944 Libr. Q. 14 103/2 The subject-header has the advantage of the classifier..in that he does not have to choose between alternative subjects but may enter under both. 1980 InfoWorld 13 Oct. 20/1 Each [control character] can designate one subject header. For example, categories might be sports, entertainment, education, cultural activities, [etc.]. 2009 M. Senate Secret of Joy 334 Out of the blue, several years ago, I received an email with the subject header: I think you might be my half sister. extracted from subjectn. < as lemmas
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