短語(yǔ)詞組短語(yǔ)laser beacon frequency locking 激光信標(biāo)鎖頻search and rescue beacon frequency 搜救信標(biāo)頻率frequency beacon 信標(biāo)頻率low frequency beacon 低頻信標(biāo);繙譯;低頻信標(biāo)英語(yǔ)dual frequency beacon 雙頻信標(biāo)double frequency beacon [測(cè)]雙頻信標(biāo)LFB Low Frequency Beacon 低頻信標(biāo)radio -frequency beacon 射頻信標(biāo)機(jī)double e frequency beacon 雙頻信標(biāo) 返回 beacon frequency