本题目来源于试卷: Physics Unit25: Optical Instrument,类别为 Generic Physics
[单选题]
The length of time t)6jkpa o mdas y 2;d3w(8wew4khe sh11uebaj2:olamo*k7 z utter is open and the film is exposed in a camera is determine e1j *oz 12aom:bku7ald by the
A. shutter speed.
B. f-stop.
C. focusing.
D. none of the given answers
参考答案: A
本题详细解析:
暂无
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