| 单词 | user agent | 
| 释义 | > as lemmasuser agent  5.  Computing. A program that (autonomously) performs a task such as information retrieval or processing on behalf of a client or user. More fully  software agent,  user agent. ΚΠ 1970    Adv. in Computers 10 15  				An algorithm is a set of instructions of finite size, requires a computing agent to ‘react’ to the instructions, requires facilities (resources) for storage and control, [etc.]. 1981    Request for Comments 		(Network Working Group)	 		(Electronic text)	 No.806. 8  				The model consists of a Message Transfer System and a number of User Agents. 1984    Washington Post 		(Nexis)	 2 Sept.  g2  				Little software ‘agents’ that scurry back and forth between human and program to retrieve precisely what the human wants. 1990    ICL Techn. Jrnl. 7 424  				This can provide a ‘user agent’ capability so that, for example, the user is informed as soon as he logs in if there is mail waiting for him. 2008    London Lite 		(Nexis)	 3 July 13  				5 per cent is how much more profit a sharetrading software agent can make by learning when to bid aggressively and when to cut its losses. < as lemmas  | 
	
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