“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	sone sonebon SONET sonetto Song song song and dance duet Song and Dance Ensemble of General Political Department of the Central Military Commission of Chinese Communist Party Song and Dance Ensemble of Inner Mongolia Song and Dance Ensemble of PLA General Political Department song and dance film Song and Dance of Palace songaria cynomorium songaria cynomorium herb Song at Midnight Song at the End of the Year Songbei Qu Song Ben Song Bian Song Boren Song Boyin Song brocade Song Buyun Song Cao Song Changlin

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。