“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	keyboard harmony keyboard layout key cap Key Case Sampling key case study Key chain project management key characteristics of bonds key code key collection key commercial vehicles joint control system key-controlled time signal key control technology key distillation strategy key distribution key distribution center key distribution quantum key district of prevention and control of soil and water loss key drawing key ecological construction program key ecological forests key encryption key key-encryption key key enginerring for soil and water conservation key enzyme key equation

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。