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 | Từ điển Oxford Advanced Learner 8th 
 
	
		|  mainframe 
 
 main·frame  [mainframe mainframes] BrE [ˈmeɪnfreɪm]  NAmE [ˈmeɪnfreɪm]   (also ˌmainframe comˈputer) noun
 a large powerful computer, usually the centre of a network and shared by many users
 compare  ↑microcomputer, ↑minicomputer, ↑personal computer
 
 
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