“NPN”的概念、定义、翻译、参考文献-科学参考

单词	NPN
释义	NPN Encyclopedia 农学非蛋白氮释 non-protein nitrogen; NPN非蛋白质氮粗蛋白质中除了真蛋白质外，其他游离氨基酸、肽、酰胺、生物碱、有机碱、氨、尿素、尿酸和硝酸盐等含氮化合物的统称。
随便看	space radiation energy spectrum space radiation environment space radiation induced DNA damage space-radiation mutation breeding space radiation particles space radiation protection space radiation treatment space radio astrometry Space Radio Astronomy space radio astronomy spacer DNA space reactor space reddening space reflection space remote sensing space renovation design space repairing and maintainning satellite space representation Space Requirement space requirements space research Space Research Institute of the Russian Academy of Sciences space reversal transformation space robot space robots

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。