So was born the echo-sounding apparatus, now in general use in ships.

这样就产生了目前各种船舶上普遍应用的回声探测仪。

youdao

So the target echo of armor of millimeter wave is very important.

因而对装甲目的的毫米波回波特性的研讨拥有十分主要的意思。

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And so we ask ourselves. Will our actions echo across the centuries ?

于是我们问自己，我们所作所为是否会千古留名？

youdao

And so we ask ourselves. Will our actions echo across the centuries ?

于是我们问自己，我们所作所为是否会千古留名？

youdao