这个方法拥有一个参数(history)，它为即将被执行的规则指出分析会话。
This method takes one parameter (history), which points to the analysis session for which rules that are being executed.
进行会话研究可采用不同的方法，而会话分析是其中主要的研究方法之一。
There are different approaches to the study of conversation, one of which is conversation analysis.
国外研究部分，集中在对课堂会话分析成果的整理。 国内研究着重梳理了各类情境下的会话分析，包括理论背景、语料收集方法、数据选择、分析角度、原因解释。
The first chapter is a brief introduction to the reasons to choose this topic and the background of conversation analysis research in and out of China.
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