“agricultural input-output model”的概念、定义、翻译、参考文献-科学参考

单词	agricultural input-output model
释义	agricultural input-output model Encyclopedia 农学﹝农业电气化与信息化工程﹞释 agricultural input-output model农业投入产出模型以农业生产产值等作为产出因子，以劳动力、化肥投入、机械总动力、耕地面积和有效灌溉面积等作为农业生产投入要素，基于计量经济学原理，构建一系列用于描述和研究农业经济结构和活动的数学模型。
随便看	changed tone change dump change fluid flowing direction change from rural to non-rural residence registration change in accounting estimates change in accounting policy change in a function change in an argument change inner nature then rise the moral actions change in progress change in sign change in the end change management system Chang'e mythology change of a basis change of base functor change of base of logarithms change of bases change of coordinates change of drift change of forest right system in China change of keys change of land rights change of litigants change of metrics

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