所需时间 meaning in English
required lime
Examples
- The time delay is twice the pressure-wave transport time from one end of the pipe to the other .
时滞是压力波从管的一端传播到另一端所需时间的两倍。 - Gelation time refers to the interval of time between the addition of the last ingredient and the completion of the gelling .
胶凝时间，是指加入最后成分到胶凝完毕所需时间。 - Yet even as regards such small objects as these, light has occupied a real interval of time, however small, in reaching the eye .
然而，即使就这样的物体来说，不管所需时间是多么短，光毕竟还是需要经过一点时间的间隔才被送入眼帘的。 - How much advance notice is required for pickup
收件预先通知所需时间是多长？