单项选择题

What is the most common value of the hysteresis used when estimating margins for log-normal fading? （）

A.3dB
B.35dB
C.36dB
D.38dB
E.20dB

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网络维护生产岗位(优化专业)

What is the most common value of the hysteresis used when estimating margins for log-normal fading? （）