variable separable differential equation 可分离变量的微分方程
separable variable [数] 可分变数 ; 可分离变量
separable equation in variable 变量可分离方程
This paper gives existence and uniqueness condition of solutions of the integral equation with variable separable kernel, and it's elementary solutions.
本文给出了具有变量可分离核的积分方程解的存在条件和初等求解法。
Beginning from the ordinary differential equations of separable variables, several ordinary differential equations of how to apply variable substitution to seek solution were generalized.
从可分离变量微分方程出发，介绍了几类如何用变量代换求解的常微分方程。
A cementing method of separable setting and variable density is used, with two level controls of safety valve on the ground and downhole;
采用双凝固井、变密度固井方式，均采用地面和地下两级安全阀控制；
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