The basic concepts of interactions between the colloids are presented at first, that is, direct interactions, mean force interactions and effective interactions.

我们先是给出了胶体之间相互作用的几个基本概念，即直接相互作用、平均力相互作用和有效相互作用。

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For a far fuller sense of what climate change might mean to a specific city, turn to the chapter on London in Mr Kohn's "Turned Out Nice", a tour DE force of information and speculation.

为了更深远地了解气候变化对一个特定城市意味着什么，Kohn先生的书写了关于伦敦的一章节“结果成了尼斯”，一个信息和思考推测的精心杰作。

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But when macroeconomic changes force up markets generally, it does not mean that the value of each individual company in that market has changed similarly.

但是在宏观经济因素的作用下所引起的股市的上涨，并不能说明股市中每个公司的价值都会同样变化。

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It's true the net force is 0, but it doesn't mean you can ignore it.

所受的合力是 0,但是并不意味着你可以忽略它

耶鲁公开课 - 基础物理课程节选

Mr Macpherson has said the cut will mean the force "doing more for less".

BBC: Angus Macpherson

In the case of the air, that would mean an air force primarily devoted to air defense.

FORBES: A Domain Like Cyberspace

But that doesn't mean we should force every member of Congress, especially those who oppose it, to take the public option.

CNN: Commentary: Time for health care hardball