“正射投影”的概念、定义、翻译、参考文献-科学参考

单词	正射投影
释义	正射投影 Encyclopedia 工学方位投影释 orthographic projection正射投影视点位于无穷远处，投影面与地球面相切或相割，投影视线互相平行且垂直于投影面的任意性质的透视方位投影。
随便看	proenzyme proenzyme; zymogen proerythroblast proestrus profane space Professional Abilities of Librarian Professional Accreditation of Conservator-Restorers professional agriculture books on different crops professional and technical position in museum professional and technical talent professional APC professional archives Professional arts education professional association professional athlete professional bookstore professional classification Professional Committee of Human-Computer Interaction Professional Committee of the Board of Directors Professional Committee of Tree Introduction and Domestication of Chinese Society of Forestry professional competence professional competence assessment professional competence research Professional Competence Standards for International Chinese Language Teachers professional conduct

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。