“ecological irrigation district”的概念、定义、翻译、参考文献-科学参考

单词	ecological irrigation district
释义	ecological irrigation district Encyclopedia 农学农业水土工程释 ecological irrigation district生态灌区整个灌区空间范围内，以农业生产和人居环境质量为导向，以农业生物为主的各种生物成分和非生物成分组成的“人工—自然—社会”复合生态系统。
随便看	universal pair universal parabolic constant universal PCR universal periodic orbit sequence Universal Pictures Co. universal polar stereographic projection universal polynomial Universal Postal Congress universal postal service Universal Postal Union universal predicate universal principal bundle universal problem universal product universal product code universal production line universal profinite group universal projective cone universal property universal proposition universal quantification elimination universal quantification introduction universal quantifier universal quantor universal quantum cloning

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