“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	half-trajectory half-turn half-value discharge time half-value discharging time half value layer half-value layer half-value layer (HVL) half-wave antenna half-wave dipole half-wave filter half wave loss half-wave loss half-wave oscillator half wave plate half-wave plate half wave potential half-wave potential half-wave rectifier half-wave reflection half wave voltage half-wave voltage halfway house half webbed half width half-width

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