The handy intelligent pulling force instrument was designed for measuring pulling forces of agricultural machinery.

便携式智能拉力仪是为测量农业机械牵引力而设计的。

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This pushing and pulling force is called lift.

这种推和拉的力量就叫做升力。

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Let's use another method to test for its pulling force.

让我们用另外一种方法来测验它的拉力。

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So because we're feeling a stronger attractive force from the nucleus, we're actually pulling that electron in closer, which means that the probability squared of where the electron is going to be is actually a smaller radius.

因为我们能感到来自原子核,的更强的吸引力，我们实际上会将电子拉的更近，那意味着电子运动的,概率半径是,事实上是一个更小的半径。

麻省理工公开课 - 化学原理课程节选

Remember, the wall is pulling to the left with the same force.

记住这个墙也要向左用相同的力拉它

耶鲁公开课 - 基础物理课程节选

Inflating the tube strains the mesh, providing a powerful pulling force.

ECONOMIST: Mechanical hand seeks dangerous, dirty and dull jobs

But exactly what's driving that expansion - the force responsible for pulling the Universe apart, and for want of a better description, dubbed dark energy - remains a mystery.

BBC: Getting the measure of dark energy

Yes there are methods to manually push the installation files onto handsets, to unlock bootloaders, to force updates by pulling out the ethernet cable at the right time, but that is not the point.

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