The fist integration is mainly used tO form the initial value solution of fist order quasi-linear partial differential equation.
本文主要用首次积分法构造一阶拟线性偏微分方程始值问题的解。
The initial-value problem of two-dimensional parabolic equation can be solved by using meticulous integration of single inner point subdomain.
可用单内点子域精细积分法，求解二维抛物型方程初值问题。
Time integration of an initial value problem USES the finite difference scheme quite often.
初值问题的时间积分经常采用差分近似。
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