1、
Einstein's Law of Gravitation was tested during an eclipse of the sun.
爱因斯坦的引力定律在一次日蚀期间得到了检验.
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2、
3、
The comet nucleus itself is too small to hold on to these gases through gravitation.
慧核本身太小,它的引力不足以束缚住这些气体.
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5、
万有引力定律是任何两个物体之间都存在相互作用的引力.
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6、
7、
The potential equation had figured in the eighteenth-century work on gravitation.
位势方程在十八世纪关于引力的研究中已显露头角.
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