[網(wǎng)絡(luò)] 回聲延時(shí);回聲延遲時(shí)間;回波延遲 critical echo delay: 臨界回聲延遲echo delay time: 回波延遲時(shí)間echo path delay: 回聲路徑時(shí)延echo round trip delay: 回聲往返時(shí)延short delay echo: 短時(shí)延回波下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯