短語詞組短語space -time frequency-shift keying 空時(shí)移頻鍵控Always Time -Shift 全時(shí)段錄制功能time -shift theorem 時(shí)域位移定理Time -Shift Services 時(shí)移業(yè)務(wù)backscattered time -shift 後曏時(shí)移 返回 time-shift