1) secondary principal point
第二主点
2) fixed image space principal point
定第二主点
1.
According to the properties of basic points of lens group and the varifocal principle of lens group,a vari- focal optical system which has a fixed image space principal point has been designed.
根据透镜组基点性质和透镜组可变焦原理 ,设计定第二主点变焦光学系统。
3) first principal point
第一主点
6) secondary host
第二宿主
补充资料：主定
1.主张，决定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条