descriptor

名词 descriptor:

1. the phonological or orthographic sound or appearance of a word that can be used to describe or identify something
   同义词：form, word form, signifier
2. a piece of stored information that is used to identify an item in an information storage and retrieval system

1. A null field descriptor is the descriptor that forms the blank division in export.
   一个空白字段描述符是在输出中形成空格的描述符。
2. A blank field descriptor is a descriptor to make blank on output.
   一个空白字段描述符是在输出中形成空格的描述符。
3. A word, symbol, or number used as a descriptor for retrieval of information from a collection, especially in a coordinate indexing system.
   用作描述符的一种字、符号或数，用于从某一集合中，特别是从某一配位标引系统中检索信息

de.scrip.tor

n.Computer Science （名词）【计算机科学】
A word, a phrase, or an alphanumeric character used to identify an item in an information storage and retrieval system.
描述符：在信息的存取系统中标识一条信息的单字、词组或混合字符串

来源：
Late Latin [describer]
后期拉丁语 [描述符]
from Latin dôscrobere dôscript- [to describe] * see describe
源自 拉丁语 dôscrobere dôscript- [描述] *参见 describe