本文应用计量经济学的方法，建立家庭收入的数学模型和家庭收入的分布函数。
In this paper, with the methods of econometrics, we describe mathematical model and distribution function of family income.
本文选择农业意义明确的经济计量因子的非线性函数形式，采用最优化方法进行农业技术趋势项模拟。
A nonlinear function of economic factors of clear agricultural meaning is established and the tendency of advancement in agricultural technology is simulated by means of optimization.
为了进一步适应企业在动态经济环境中计量和估算人力资本价值的需要，在还原的要素函数模型中引入技术进步函数，建立了人力资本价值计量的要素函数模型，并进行了初步的模型修订。
To further meet the need of measuring and estimating human capital value of enterprises in the dynamic economic environment, the technological progress function is introduced into the factor funct.
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