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数年来,科学家一直在探索能够使人造复合材料也产生“自愈能力”的方法。近日,美国加州大学圣迭戈分校的生物工程学家成功发明了一种能使水凝胶在反复受创后都能自
For years, scientists have been exploring ways to make artificial composites “self-healing.” Recently, the United States University of California San Diego bioengineer successfully invented a can make the hydrogel repeatedly after being hit by self