In the earlier study of SLA, the main focus was on whether pair or group interaction could provide each member with Comprehensible Input which has been claimed to be a crucial element in SLA.

在早期的二语习得研究中，人们关注的焦点是检验小组或对子之间的互动是否能为每个成员提供二语语言习得中的一个重要因素：可理解输入。

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The present study sheds light on how the application of these linguistic markers turns the process of courtroom questioning into a comprehensible and strategic interaction.

本研究将有助于阐明如何运用话语标记语将法庭提问的过程转化成为一个可理解的和策略性的交际过程。

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Mantle metasomatism is actually a result of interaction between mantle fluids and wall rocks. Study on their transport manner is beneficial to understanding mantle metasomatism.

地幔交代作用实质上是地幔流体与围岩的作用结果，对地幔流体迁移方式的研究有助于对地幔交代现象的理解。

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The professors plan to begin a study on the cross-generational interaction in Wizard101, KingsIsle vice president of marketing Fred Howard tells me.

FORBES: Wizard101, The Harry Potter Of Online Games, Sees Growth

This study looked at a lot of research on leukemia and social interaction among kids.

CNN: Day care decreases leukemia risk

Eighty-eight percent of respondents in our study reported that people are less polite on social media than they would be in a face-to-face interaction.

FORBES: Is Facebook Making Us Antisocial?