短語詞組短語propagation E time 傳播時(shí)間propagation delay time [通信]傳播延遲時(shí)間;傳輸延遲時(shí)間;傳播延時(shí)間;翻譯tpt propagation delay time 傳播延時(shí)Propagation Delay Time HIGH -to-LOW Level 傳播延遲高到低Propagation Delay Time LOW -to-HIGH Level 傳播延遲低到高round trip propagation time 翻譯;往返傳播時(shí)間group propagation time 群傳播時(shí)間carry propagation time 進(jìn)位傳送時(shí)間 返回 propagation time