“field ecosystem”的概念、定义、翻译、参考文献-科学参考

单词	field ecosystem
释义	field ecosystem Encyclopedia 理学基因工程释 field ecosystem农田生态系统为人类提供了农产品和生态服务功能的人工建立的以农作物种植为中心的生态系统。
随便看	upper singular exponent upper solution upper solution; supersolution upper-stage upper stage liquid rocket engine upper strong derivative upper subsemilattice upper sum upper surface upper tangent arc upper topological limit upper transit upper triangular group upper triangular matrix upper-trimmed subsequence upper type upper unitriangular matrix upper urinary tract infection upper urinary tract lithiasis upper value upper variation Upper Volta upper water level for flood control Upper Xiajiadian Culture upper Yangtze platform

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