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descriptor 描述符,解说符,主字码 描述符,解说符,主字码 descriptor 描述者; 记述子 descriptor 描述符 descriptor n 1: the phonological or orthographic sound or appearance of a word that can be used to describe or identify something; "the inflected forms of a word can be represented by a stem and a list of inflections to be attached" [synonym: {form}, {word form}, {signifier}, {descriptor}] 2: a piece of stored information that is used to identify an item in an information storage and retrieval system value which refers to one of several objects allocated to a program by the {operating system}, usually the {kernel}. A common example is a {Unix} {file descriptor} which is a small integer that identifies an I/O channel. Another example is a reference to an area of memory (e.g. {shared memory}). Compare {capability}. (1998-02-06)
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