The analytic method of gray incidence degree in gray system was employed to study the relationship between daily gain of grazing sheep and restrictive factors.
采用灰色系统中灰色关联度的分析方法对羊草草原放牧绵羊日增重的气象限制性因素进行了研究。
The finite analytic method is used in the present study to calculate the turbulent flow field described with Navier-Stokes equations in body-fitted curvilinear coordinate system.
本文将有限分析方法用于曲线座标系上紊流N- S方程数值计算，研究了高雷诺数时叶栅粘性紊流流场。
In this paper , the undermined function method has been used to study the analytic solution of nonlinear orbit differential equation. In a case four kinds analytic solution are given.
利用待定函数法研究了非线性轨道微分方程的解析解，求出了一类情形下的四类解析解。
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