返回: return; go back; revert; rec ...时延: time delay; time-lag; delay ...返回时间: return period父母返回时: when the parents return预计返回时间: expected time of return预计返回时刻: estimated of return time返回时间,反转时间: inversion time回程时间, 返回时间: return time返回后付款退回时即付款: pay on return预计返航时间预计返回时间: estimated time of return时延: time delay; time-lag; delay time; delay period; delay◇时延差 delay inequality; 时延常数 delay constant; 时延畸变 delay distorrtion ;时延失真 delay distorrtion; 时延作用 time-lag action返回: return; go [come] back; revert; recurrence; throwback 返回港口 put back to port; 返回原地 return to the starting point; 使人造地球卫星返回地面 recover a man-made earth satellite购回时收益: yield to call来回时间: roundtrip time午夜梦回时: the midnight dream returned; wake up at the middle night雁字回时: when swans come back in flight超时延: excessive delay反时延: inverse time limit; inverse time-element; inverse time-lag群时延: envelope delay; groudelay; grouretardation时延差: delay inequality; time delay difference时延春: shi yanchun时延小: short time delay无时延: non time delay真时延: truetimedelay总时延: overall delay; total time lag