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Then I know that kx is equal to the force that is exerting at this separation.
然后我就能知道 kx 等于,这个位置上讲台产生的力的大小
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- 来自原声例句
Then I know that kx is equal to the force that is exerting at this separation.
然后我就能知道 kx 等于,这个位置上讲台产生的力的大小
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