“光学零件及光学系统焦距测量”的概念、定义、翻译、参考文献-科学参考

单词	光学零件及光学系统焦距测量
释义	光学零件及光学系统焦距测量 Encyclopedia 工学光学元件及光学系统特性参数计量释 focal length measurement of optical part and optical system光学零件及光学系统焦距测量对平行于光学系统光轴的平行光束经光学系统后的汇聚点（焦点）到光学系统的像方主点距离的测量。焦距是确定光学系统物像关系的重要参量。
随便看	track enginerring tracker tracker controller methodologies of steam turbine tracker solution track estimation track etch dosimeter track etching tracketching track etch survey accumulative Radon meter track following servo system track format track gage track geometry track gradient track group track-in-cleavage tracking Tracking and Data Relay Satellite tracking and data relay satellite system tracking and data-relay satellite system tracking and data relay satellite system, TDRSS tracking and data relay satellite system，TDRSS tracking and driving mechanism tracking and firing control tracking and identification

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。