This is called gravitation, or gravity.

这叫引力。

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The interface defines three methods that correspond to three levels or gravity of errors

接口定义了与错误的三个级别或严重性对应的三个方法

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We may even find ways of applying forces such as magnetism or gravity for driving machinery without using any other means.

我们甚至还可以想方设法把磁力或重力等力量应用到机器动力上而无需使用其它任何方法。

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Because of the gravity on Mars, spacesuits may have to be designed to be lighter than suits used in orbit or on the moon.

VOA: special.2011.04.06

They seem to be going somewhere and there's this sort of force of pull or gravity in music having to do with some chords wanting to go to other chords.

和弦向某一个方向发展，就像有一股力量拉着它们,或者说音乐的重力吸引着它们，让一些和弦想行进成为另一些和弦。

耶鲁公开课 - 聆听音乐课程节选

For example, suppose you use vertical motion and you use y instead of x; and a would be g or -g; that's a particle falling down under the affect of gravity.

例如,假设在竖直运动中,你用 y 来代替 x,那么 a 就是 g 或者 -g,这就是一个受重力作用下落的质点

耶鲁公开课 - 基础物理课程节选

The Web is ultimately not about stock prices that can defy gravity or about the end of boom-and-bust cycles.

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Conversely, when a heavily loaded car descends or a lightly loaded car ascends, gravity allows the heavier car to descend or the heavier counterweight to descend.

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So yes, I have been wrong about the market over the past year or so, expecting gravity to kick in at some point.

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