... expansion of liquids 液体膨胀 expansion of solids 固体膨胀 expansion theory 膨胀说 ...
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As a general rule, solids can expand and contract too. But the coefficients of expansion and contraction of solids are on the whole smaller than those of liquids.
和固体、液体相区别的一种状态：相对低的密度和粘性，在相对高的 扩张和压缩性。
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