Using the variable transformation method, the formulae of the axial symmetrical wall temperature distribution during steady heat conduction of a hollow cylinder are derived in this paper.
采用坐标变换法导出了圆筒空间轴对称问题稳态热传导温度分布的关系式。
The variable rotation transformation (VRT) method is proposed to control nonlinear chaos system.
设计了一种控制非线性系统混沌的变量旋转变换(VRT)方法。
In general, Euler equation is solved by the method of variable transformation, but the procedure is complicated.
欧拉方程一般都是用“变量代换”法求解的，但其过程一般都比较繁琐。
Objective: To study the disturbance creatd by the variable transformation within regression parameters of nonlinear biology models and find a new method removing or reducing the disturbance.
目的：研究变量代换对非线性生物模型回归参数的干扰，寻找消除或减少该干扰的新方法。
Objective: To study the disturbance creatd by the variable transformation within regression parameters of nonlinear biology models and find a new method removing or reducing the disturbance.
目的：研究变量代换对非线性生物模型回归参数的干扰，寻找消除或减少该干扰的新方法。
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