“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	test and evaluation of accomplishment test and launch mode test and launch network system test and launch process Test and Training Satellite test anxiety test appraisal analysis data test-bed background data base test bench test bias test blasting test board testboard test by the probability paper test case test case generator test channel test characteristic function test charge test complexity test condition test construction test coverage test criterion test cross

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。