18. 奈米科技之定義是指在多少尺度範圍內的技術?
(A) 10–11 m ~ 10–10 m
(B) 10–9 m ~ 10–7 m
(C) 2.0
× 10–7 m ~ 5.0
× 10–7 m
(D) 10–7 m ~ 10–6 m
(E) 10–10 m ~ 10–8 m
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統計: A(4), B(94), C(0), D(1), E(55) #920761
統計: A(4), B(94), C(0), D(1), E(55) #920761