BP neural network method is different from the traditional log interpretation method of CRA (complex reservoir analysis) and it is of a strong antijamming ability and nonlinear mapping ability.

BP神经网络不同于传统的CRA(碳酸盐岩复杂岩性处理程序)测井解释方法，具有强的抗干扰能力和非线性映射能力。

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Complex mathematical models of multidimensional and multiphase reservoir analysis use computers to divide the reservoir into smaller sections called cells or nodes.

复杂的多维、多相油藏分析数学模型利用计算机将油藏分成较小的部分（称为网格或节点）。

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The numerical well theory in complex heterogeneous gas reservoir was investigated in this paper, which aimed at the problem of well test analysis in complicated medium gas reservoir.

针对复杂介质气藏的试井分析问题，研究了复杂非均质气藏的数字试井理论。

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