The purpose of studying this project is that as the benchmark plane the laser planethat is produced through cylindrical lens can be used to measure minutely based onthe stability of the laser plane.

• 本课题研究的主要目的在于利用激光束通过柱面透镜产生的激光平面作为基准平面,并依靠激光平面的稳定性来进行系统的精密测量。