“第二焦点”的概念、定义、翻译、参考文献-科学参考

单词	第二焦点
释义	第二焦点 Physics 光学、声学光学 image-space focus像方焦点曾称“第二焦点(secondary focal point)”。 focus in image space像方焦点^†，第二焦点
随便看	management domain management dystem of irrigation district management effectiveness assessment of nature reserve management effectiveness tracking tool management engineering management ethic management ethics management experiment research management for ancient tree and famous tree management for enterprise of landscape management for transport infrastructures management function management guarantee room management information management information base management information base, MIB management information control management information of chemical engineering management information system management information system for fossil-fired power plant，MIS management information system for high-speed railway electric multiple units management information system, MIS management information system of gas transmission and distribution management information system of hydropower station management information system of pumping station

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。