“principal point”的概念、定义、翻译、参考文献-科学参考

单词	principal point
释义	principal point Encyclopedia 艺术学镜头参数释 principal point主点物方主平面和像方主平面各自与光轴的交点，分别称为物方主点和像方主点。物方主点和像方主点统称为主点。 Physics 光学、声学光学 principal point主点 principal point主点^† Mathematics principal point主点
随便看	land suitability evaluation land supervision land supply land surface hydrology land surface model land surface processes land surface temperature inversion land survey land survey and statistics system Land Surveying Ordinance Land Survey Measure land system land system in developing countries land tax land tax regardless of household size land temple land tender,auction,listing land tenure land tenure disputes land tenure management land title land to the tiller land transaction land transfer land transport

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。