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。
This paper gives existence and uniqueness condition of solutions of the integral equation with variable separable kernel, and it's elementary solutions.
阶梯梁静力和动力问题的传统解法是分离变量后分阶梯写出常微分方程并分别求解，不胜其烦。
The traditional solvent of static and dynamic problems for stepped prismatic beams is to set up ordinary differential equation in each step and answer it respectively.
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