product capital ratio 产品资本比
capital-product ratio 产出
Human capital stock-product ratio 人力资本
·2,447,543篇论文数据，部分数据来源于NoteExpress
Meanwhile, facilitation factors also include technological levels of industry, necessary capital amount, degree of product differences and ratio of profit.
同时，行业技术水平、必要资本量、产品差异程度与利润率也对FDI企业的行业进入数量增长起到了促进作用。
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