echo time
英
美
- 回波时间(磁共振用语)；回声时间
双语例句
- The return of the echo will elapse longer time.
回声返回所耗的时间越长了。 - The depth of the sea at that point can be calculated by measuring the time interval between the taps and the return of the echoes.
在船体上轻轻敲击的声响会从海底反射回来，通过测量敲击和收到回声之间的时间间隔，可以计算出该处海洋的深度。
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