问题
单项选择题
Which one of the followings does not limit the effective range of radar（）.
A.Pulse width
B.Pulse repetition frequency
C.Peak power
D.Target brightness
答案
参考答案：D
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Which one of the followings does not limit the effective range of radar（）.
A.Pulse width
B.Pulse repetition frequency
C.Peak power
D.Target brightness
参考答案：D