...：水泥混凝土，建筑材料，人造材料，综合性能 [gap=498]Keywords: cement concrete, building materials, artificial materials, comprehensive performance ...
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No artificial materials 不含人工原料
Natural and artificial materials 自然与人工材质
Artificial Crystal Photoelectric Materials 人工晶体光电材料
Artificial Intelligent Materials 人工智能材料
In-Plant Materials and Artificial Organs 植入材料和人工器官
artificial bone materials 人工骨材料
artificial joint materials 人工关节材料
artificial plant materials 人工花材
artificial crystal materials 人工晶体材料
No other metal or artificial materials are used.
不使用其他金属或人造材料。
But biological world is too complicated to be simulated as simply as artificial materials.
但生物界太复杂，并不如人工材料那般简单模拟便了事。
Negative refractive index materials are artificial materials with permittivity and permeability both negative within certain microwave frequency band.
负折射率媒质是一种人造媒质，在某一微波波段内其介电常数和磁导率同时为负值。
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