Nanoscience is the study of phenomena and manipulation of materials at（）scales, where properties differ significantly from at large scale.
A.atomic
B.molecular
C.macromolecular
D.crystalline
正确答案：atomic；molecular；macromolecular
Nanoscience is the study of phenomena and manipulation of materials at（）scales, where properties differ significantly from at la
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A photoelectronic materials can（）optoelectronic signals.
According the type of electrolyte they use, the fuel cells are devided into（）
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