Some mixed initial boundary value problems of the semiconductor equations were studied.
考虑一类半导体方程组的混合初边值问题。
The existence and the life span of solutions to some mixed initial-boundary value problems are also investigated.
利用弹性薄板的广义变分原理和双调和方程的特解序列，提出了一种求解圆板混合边值问题的数值方法。
The existence and the life span of solutions to some mixed initial-boundary value problems are also investigated.
利用弹性薄板的广义变分原理和双调和方程的特解序列，提出了一种求解圆板混合边值问题的数值方法。
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