By using the special test function, we discuss the establishing of conservation law of the firstboundaryvalue problem of infiltration.
运用取特殊检验函数的方法，建立了渗流方程第一边值问题解的守恒律。
2
In this paper, moment method is used to deal with the firstboundaryvalue problem of one dimensional wave equation with stochastic initial and boundary conditions.
本文使用矩方法处理了具有随机初始条件的一维波动方程的第一边值问题。
3
The present paper provides a class of quasilinear pseudohyperbolic equation of the existence of classical solutions of the firstboundaryvalue problem under some suitable structure conditions.