... two-frequency half duplex 双频半双工系统 two-frequency radio system 双频无线电系统 two-frequency repeater system 双频中继系统 ...
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In one exemplary embodiment, the multi-band antenna system 100 is tuned to operate within two general radio frequency ranges which are generally referred to as a low band and a high band.
在一个例示的实施例中，多波段天线系统100被调谐为在两个通常的射频范围内操作，这两个通常的射频范围通常称作低波段及高波段。
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