双语例句原声例句
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我们必须断定当分子间距离很小时，就存在互相排斥的力量。
We must conclude that when the distance between the molecules is very small, there are forces of repulsion.
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树脂固化时收缩应力的主要原因是单体之间的分子间距离缩短变为共价距离。
The main reason of shrinkage stress during curing period is the change from distance between monomer molecules to covalent distance .
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Because the molecules are farther apart from each other. So the energy goes up.
因为分子间的距离,扩大了。
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