The damp least square method is important in active optics.

阻尼最小二乘法在主动光学研究中有重要的作用.

Using active optics technique to control its reflecting corrector makes it a unique astronomical instrument in combining large aperture with wide field of view.

应用主动光学技术控制反射改正板，使它成为大口径兼大视场光学望远镜的世界之最。