Go ahead and just pinch the metal plates and watch your eyes 'cause these do--things do have little springs.
挤压这些金属片,你会注意到没什么弹性。
This learning springs from the recesses of Milton's memory.
这一知识之泉源自于弥尔顿的记忆深处。
Therefore, what we have done now is, we can take all kinds of springs and we can calibrate the force they will exert under various conditions.
因此,我们现在能做到的就是,我们能处理各种各样的弹簧,我们能测出它们在不同的情况下,产生的力的大小
So springs are always pushed or pulled on either side with the same force.
所以弹簧两边永远都是受到,相同的压力或拉力
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