“有效氮”的概念、定义、翻译、参考文献-科学参考

单词	有效氮
释义	有效氮 Encyclopedia 农学速效氮释 available nitrogen有效氮反映近期内土壤氮素供应状况的参数。
随便看	number system number-theoretic number-theoretical number-theoretic character number-theoretic difference set number-theoretic formula number theoretic function number-theoretic function number-theoretic predicate number-theoretic problem number-theoretic transform number-theoretic transformation number theory number three in palace examination number transformation number triangle number tuple number unit number variable number wall number π number π; ratio of the circumference of a circle to its diameter numerable numerable bundle numerable covering

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