After the positive study, this paper supposes the models to the yieldequation of government bonds according to the form characteristic lately of the yield curve of government bonds in our country.
在定性研究之后，本文便根据我国近期国债收益率曲线的形态特征，对我国国债收益率方程进行了模型假设。
2
Second-degree polynomials equation of maize(Zea Mays L. ) grain yield with both planting density and nitrogen fertilization was established by means of regression analysis.
本文从不同种植密度和施氮量对玉米籽粒产量的影响，建立了二次多项式回归方程。
3
For the ergodic control problem, a dynamical programming equation is established based on the stochastic dynamical programming principle and solved to yield the optimal control law.