英语语法分析

It builds coordinate and their correlations of photoelectricity theodolite.

建立了光电经纬仪的各种坐标系及其相互关系。

There are mainly two ways to track the sun, photoelectricity track and sun angle track.

太阳跟踪的方法主要有两种，光电跟踪和视日运动轨迹跟踪。

Finally, we realized photoelectricity coupling and gave the optical distribution near the threshold.

最后，实现了光电耦合，并给出了阈值附近光场分布。