本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
The amount of light reaching tplf;b vx k9bxk.:4 g5zhe film in a c 5bh:tq)nnsi7pw*yz1g pm 4h, amera is determined by the
A. shutter speed.
B. f-stop.
C. focusing.
D. none of the given answers
参考答案: B
本题详细解析:
暂无
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Post time 2024-1-26 22:03:25