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据悉,加利福尼亚大学河滨分校的一个化学研究小组近日成功研制了一种微型聚合珠,能在外界磁场作用在微型球改变方向的时候立刻和反向地改变颜色。
It is reported that a chemistry team at the University of California, Riverside recently successfully developed a micro-polymerization beads, magnetic field in the outside world when the mini-ball changes direction immediately and reverse color change.