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最佳答案:翻译为Development of smart materials is a rapidly developing new areas,it attracts
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最佳答案:Magnesium alloys are the lightest structural engineering materials, which have m
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最佳答案:The piezoelectricity ceramics have quickly respond, the energy densityhigher cha
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最佳答案:【Abstract】With the development of information technologies such as computers and
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最佳答案:In practical application,the matris is not only provide a good method for us to
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最佳答案:Light emitting diode ( LED ) because of high efficiency,energy saving,long servi