二级 meaning in Chinese
two stage; two level; second level; secondary; second 短语和例子
Examples
- The above reaction is called second-order reaction .
上述反应称为二级反应。 - Sludge liquor is recirculated in the secondary system .
污泥水回流到二级处理系统。 - Then the second stage is fired .
然后第二级点火。 - The ship rates as second .
这船列入二级。 - Here we carry out computations up to the second degree only .
在这里,我们只把计算进行到第二级近似为止。