必要的

Second, actively organize training, to avoid unnecessary rework.

二是积极组织培训，避免不必要的返工。

At these frequencies, attention to RF phenomena is required.

在这些频率，注意射频现象是必要的。

I have had to adapt in every sport, that was necessary, to participate right handed.

我已经适应在每一个运动，这是必要的，参加右手。

It expands over 2 stages of a software's development life cycle: usually a necessary testing right after each module is finished.

软件测试在软件生存期中横跨两个阶段：通常在编写出每一个模块之后就对它做必要的测试。

So it is necessary to evaluate the riparian zone.

因此系统地对河岸带生态系统进行研究是非常必要的。

I think it's actually a necessary journey, a rite of passage, if you will.

我觉得这是一种必要的历程，一种人生仪式吧

A robot-arm from the Endeavour will garb the telescope and hold it while the astronauts make the necessary repairs.

当宇航员进行必要的修复工作时，"奋进"号上面的一只机器手将抓住望远镜并拖住它。

I don't want to rock the boat .

我不想惹不必要的麻烦

The root-mean-square roughness of STO thin films with thickness of 300 nm was only 0.25 nm.

这些研究结果为优化STO薄膜非线性介电性质提供了必要的理论依据。

I ' m only brave when I have to be.Being brave doesn ' tmean you go looking for I rouble.

我只是在必要的时候才会勇敢，勇敢并不代表你要到处闯祸。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。