本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics
[单选题]
The part of an electron microscopp,cuhepl a,nn 8b v(-:e that pzy9apz;2:ef(bxjq 4m1 /wm r hlays the same role as the lenses do in an optical microscope z/r:ha1 mybqp;4zj f e 2mw9x(is
A. the vacuum chamber.
B. the coils.
C. the cathode.
D. the deflector plates.
参考答案: B
本题详细解析:
暂无
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Post time 2024-1-22 00:41:22