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In order to increase the capacity of channel, the frequency of carrier wave moved to higher endlessly.
为了增加信道容量,载波频段不断地向高频方向移动。
youdao
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In order to increase the capacity of channel, the frequency of carrier wave moved to higher endlessly.
为了增加信道容量,载波频段不断地向高频方向移动。
youdao