英文:A facility provided in dialog control. Messages are grouped into chains for error recovery and other purposes.
中文:由对话控制提供的一种功能。为进行差错校正和其它目的,把信息分组后放入链中。
英文:Pertaining to an application in which each entry calls forth a response from a system or program, as in an inquiry system or an airline reservation system. An interactive system may also be conversational, implying a continuous dialog between the user and
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