生产函数是凹性的，边际报酬递减。
劳动力边际报酬递减，农业劳动力生产率低的负效应凸显；
The marginal reward of labor is decreasing & the minus effect of low labor productivity is outstanding.
在肥料经济学的第一讲中，我阐述了边际报酬递减的概念及其与生产函数形状之间的关系。
In my first lecture on the economics of fertilization, I examined the concept of diminishing marginal returns and how this is related to the shape of the production function.
介绍目前经济社会中影响具体企业进行技术选择的两个因素，规模经济性和边际报酬递减规律。
Two effects of technological alternatives of enterprises in the economic society are discussed: the economy scale, and the appended bonus degressive rule.
介绍目前经济社会中影响具体企业进行技术选择的两个因素，规模经济性和边际报酬递减规律。
Two effects of technological alternatives of enterprises in the economic society are discussed: the economy scale, and the appended bonus degressive rule.
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