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Terms for subject Telecommunications containing unlicensed | all forms | exact matches only
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unlicensed frequency不需领执照即可使用的频率
unlicensed frequency不需注册的频率
unlicensed radiator未注册的电台
unlicensed radiator无执照的电台
unlicensed radio spectrum不需领执照即可使用的无线电频谱
unlicensed radio spectrum不需注册的无线电频谱
unlicensed wireless spectrum不需领执照即可使用的无线电频谱
unlicensed wireless spectrum不需注册的无线电频谱