“primary focal point”的概念、定义、翻译、参考文献-科学参考

单词	primary focal point
释义	primary focal point Physics 光学、声学光学 object-space focus物方焦点曾称“第一焦点(primary focal point)”。
随便看	path connectedness path-connectedness path-connected set path connected space path-connected space path connectivity path curve path decomposition path delay path dependence path-dependent path derivative path diagram path difference path-driven animation Pathein path enumeration Pathe-Orient Ltd. path expression path fiber space path-following algorithm path following method path function path geometry path graph

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。