| 单词 | on-line central file | 
| 释义 | on-line central file [`ȯn´līn `sen·trǝl `fīl]  COMPUTER SCIENCE An organized collection of data, such as an on-line disk file, in a storage device under direct control of a central processing unit, that serves as a continually available source of data in applications where real-time or direct-access capabilites are required.  | 
	
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