"椭圆型偏微分方程"是个多义词，它可以指椭圆型偏微分方程（一类重要的偏微分方程）,椭圆型偏微分方程（高等教育出版社出版书籍）。
...符号计算的三维线性椭圆型偏微分方程的变系数的高阶紧致差分格式-知来数据 Key words: elliptic partial differential equations, Maple software package, fourth order compact difference scheme, symbolic deriv[gap=287]关键词：椭圆型偏微分方程，Maple...
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partial differential equation of elliptic type 椭圆型偏微分方程 partial differential equation of first order 一阶偏微分方程 ..
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讨论了椭圆型偏微分方程内边界问题的数值逼近。
It is discussed that the numerical approximation of interface problems for elliptic partial differential equations.
研究一类最优控制问题的求解方法，其状态变量是某一种椭圆型偏微分方程的弱解。
The algorithm for a class of optimal control problem where the state variables are the weak solution of an elliptic partial differential equation is studied.
我们在第二章中构造了求解用旋转Q_1有限元离散椭圆型偏微分方程的区域分解方法。
In the second chapter, we present an additive Schwarz preconditioner for the rotated Q_1 finite element discretization of second order elliptic problem.
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