“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	Pinworm Pinyin coding Pinyin input Pinyin Spelling Rules of Place Names in China（Section of Chinese Place Names）No.17 File in 1984 of Chinese Place Names Committee PIN二极管 PIN光电二极管 Pi_n形式 p-i-n结 pin结 pion pion atom pion condensation pion decay Pioneer pioneer Pioneer-0 probe Pioneer 10/11 Pioneer-10 Probe Pioneer Bookstore Pioneering High Energy Nuclear Interaction experiment pioneering morality pioneer plant pioneer plant community pioneer plants Pioneer probe

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。