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Whichsubstancecanbedefinedasfluids?
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Molecules in crystal liquids can not only maintain their orientation but move around to different positions.
这一分球，你认为谁赢了？
As liquid crystals are very sensitive to temperature, they can be used to make thermometers.
在对待历史人物的评价上,特别是在对待毛泽东的评价上,习近平强调必须运用马克思主义的()这一科学方法对毛泽东进行全面、历史地评价。
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