A new study found a simple and powerful way to control particles and form crystals: illuminating them. The research provides a simple and reversible method for forming crystals that can be used to develop a new generation of adaptable materials.

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(作者为中国科学院力学研究所研究员、微重力重点实验室副主任,本报记者吴月辉采访整理),详情可参考体育直播

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501总吨至2000总吨的部分,每总吨增加500计算单位;,这一点在体育直播中也有详细论述

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