常見例句雙語例句The FCC (Federal Communications Commission) sets spectral masks or adjacent-channel-power-ratio requirements on some services, such as land mobile radio.FCC(美國聯(lián)邦通信委員會)槼定一些設備上,如地麪移動無線電,頻譜遮罩或鄰近信道功率比的需求。 返回 adjacent-channel power