...示的 finitely representable ; finitely representable,finitely representable 有限差分表示式 finite difference expression 有限与李群表示 Representations of finite and lie groups ..
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finite difference approximation : 有限差分逼近 finite difference expression : 有限差分表达式 finite difference method : 有限差分法 ..
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The equations are solved by finite difference method and the mean and variance of pressure head are determined from its random expression.
通过摄动方法得到一系列关于水头展开式的偏微分方程，用有限差分法进行求解，获得了压力水头的随机描述，并计算其均值和方差。
The finite difference depth migration equation in space-frequency domain can be derived when the radical expression is approximated by continued fraction.
采用连分式近似，可以得到空间频率域的有限差分深度偏移方程。
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