张先生，请你汇报一下你和农民家庭的接触情况。

Mr. Zhang, will you please report on your contacts with farmers' families?

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本文介绍应用激光全息摄影研究机械结构结合面的接触情况及静动刚度的方法。

This paper deals with the application of laser holography in the research on the contact state and the static and dynamic stiffness of mechanical joints.

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本文的方法还可用来分析优化齿面的曲率修正参数，以及误差作用下的齿面接触情况。

Also this method can be used to optimize the parameters of modified worm gear drive and analyse the contact condition under errors.

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But in terms of more senior staff, more senior interactions, the WHCF in almost all configurations, is the most regular person interacted.

但在高层官员来说，深度接触来说，办公室主任几乎在任何情况下，都是跟总统交流最多的人。

普林斯顿公开课 - 国际座谈会课程节选

Yeah, so for example, you get exposed to-- before there was a vaccine your brother or sister had chickenpox, and so you got exposed to chickenpox naturally through your contact with them.

举个例子来说,如果你生活在这样的环境里,兄弟姐妹们还没接种疫苗就得了水痘,而你通过与他们相接触,在自然情况下接触到了水痘病毒

耶鲁公开课 - 生物医学工程探索课程节选

There are now dozens, probably hundreds, of studies that show that people who would otherwise show animosity towards one another, like blacks and whites in the United States, like each other more if they're brought together.

目前有几十个，甚至几百个研究,表明在不接触的情况下,互相憎恶的人，例如美国的黑人和白人，如果让他们发生接触，他们会更喜欢对方。

耶鲁公开课 - 心理学导论课程节选