second stage

• 第二级

second stage的用法和样例：

例句

1. 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。
2. However, instead of passing out of the regulator, the gas flows into the second stage where the pressure is moderated.
   但是，气体不是排出调整器，而是流入第二级并得到缓和。