名词解释题发布频次（Frequency）
名词解释题
发布频次（Frequency）
参考解析
解析：
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The maximum data rate of any single wireless link can be described by the shannons theorem which is related to the（）in hertz，and the（）on the channelA．signal frequency B．bandwidth C．carrier frequency D．noise frequency A．signal B．caeeier C．noise D．data signal
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Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）A对B错
Pitch is produced by frequency of vibration of the vocal cords. The higher the frequency, the higher the pitch.（）
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