The first type consists of an asphericmirror and two thin aspheric correcting plates, which are located in front of the mirror and its focus respectively.
第一类是由一块非球面反射镜和分别放置在它的前面和焦点前的两块非球面薄板组成的。
2
Practice shows that the analysis matches experience very well and is instructive both in design of adjusting device and alignment for asphericmirror testing.
实践证明，计算和分析结果对指导非球面检测中的调整以及调整装置的设计都有很大实际意义。
3
The parameters and image evaluation of the asphericmirror are given. The asphericmirror meets the requirements of dust testing instrument in practice.