“plastic film mulching cultivation”的概念、定义、翻译、参考文献-科学参考

单词	plastic film mulching cultivation
释义	plastic film mulching cultivation Encyclopedia 农学地膜覆盖栽培释 plastic film mulching cultivation地膜覆盖栽培在作物播种前或播种后利用聚乙烯塑料薄膜覆盖在土壤表面，配合相应栽培措施，以改善农田生态环境，促进作物生长发育，提高产量和品质的保护性栽培技术。
随便看	boundedness boundedness from one side boundedness in probability boundedness principle boundedness theorem bounded net system bounded nonlinear operator bounded number bounded on the left set bounded on the right set bounded operator bounded ordered set bounded plasma bounded quantification bounded quantifier bounded quantifier formula bounded-quantifier formula bounded random variable bounded rationality bounded rationality decision-making bounded real lemma bounded representation type bounded-reversal Turing machine bounded rotation bounded semi-variation

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