用: 40分钟跑完全程 run the course in 4 ...频带: frequency band; frequency ra ...民用频带: citizens band限用频带: restricted frequency band占用频带: occupied bandwidth国内公用频带: domestic public frequency bands占用频带宽度: occupied frequency bandwidth在无线电民用频带中广播消息: citizens' band: broadcast a message on cb radios频带: s band频带: frequency band; frequency range; wave band; band◇频带分割 band sharing; 频带分离器 band separator; 频带共用 band sharing; 频带宽度 frequency band width; bandwidth; 频带指示器 band indicator测深器(深海用): bathymeter海用雷达: marine radar海用引擎: marine engine航海用表: nautical table航海用海图: navigational chart航海用语: sea term近海用桩锤: offshore hammer航海用平面图: nautical planisphere航海用照准仪: marine alidade深海用测深器: bathymeter备用频率: alternate frequency; alternative frequency; reserve frequency词使用频度: utility frequency of word可用频率: allowed frequency可用频谱: usable spectrum利用频度: usage frequency