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1·There was an echo on the line and I couldn't hear clearly.

电话里有回音，我听不清楚。《牛津词典》

2·No footfalls echo on the floor.

地板上不再有足音回荡。

3·And a star will brighten the sky; songs of joy will echo on high!

又有景星照耀天空，喜乐之歌响彻高处！

4·And in the echo wall of history the sound of my laughter will echo on.

在历史的回音壁内，你定会听到我的笑声！

5·We use an application called echo on a mainframe that echoes back the input text entered in the first screen.

我们在大型机上使用一个称为echo的应用程序，它能对输入第一个屏幕的输入文本进行回显。

6·Ion implantation may echo on plant cell, thus provide convenicence for foreign genetic material transferring into cell.

低能离子束注入对细胞的刻蚀作用提供了外源遗传物质进入细胞的途径。

7·Real echoes usually fade away before they become thatdistorted, but you can see how it works with an artificial echo on two recorders.

真正的回声常常在被改变时就消失了，但你可以通过两台录音机上的人工的回声知道它们是如何工作的。

8·The sand body is developed as strong amplitude echo on seismic section and has a banding distribution with two sets direction on plane.

该砂层组在地震剖面上表现为强振幅反射，强振幅反射在平面上呈两组方向的条带状分布。

9·Each encounters a reflective surface, the echo on the oscilloscope screen displayed the impedance difference between the two interfaces also determine the level of echo amplitude.

每遇到一个反射面时，回声在示波器的屏幕上显示出来，而两个界面的阻抗差值也决定了回声的振幅的高低。

10·Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.

回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。