在实验中我们通过调节两光栅的有效使用面积，将两谱线的能量比例控制在1∶1左右。

The effective acreages of two gratings are adjusted to keep the energy proportion of two lines under the 1:1.

youdao

在实验中我们通过调节两光栅的有效使用面积，将两谱线的能量比例控制在1∶1左右。

The effective acreages of two gratings are adjusted to keep the energy proportion of two lines under the 1:1.

youdao