Therefore, the impact of starting pressure gradient must be considered when analyzing the productivity of vertical fracture well in low permeability reservoir.

因此，在进行低渗透油藏垂直裂缝井产能分析时，必须考虑启动压力梯度的影响。

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The compacting density, bending strength, fracture toughness and rigidity value of the synthesis can be prepared to be applicable gradient material structure under suitable pressure and temperature.

在适当的压力、温度环境下合成致密度、弯曲强度、断裂韧性、硬度值可满足实际应用背景的梯度夹层。

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The multilayer structure is also unlikely to distort and fracture by minimizing the temperature gradient in the cell.

另外，由于电池内的温度梯度的最小化，所述多层结构也 不太可能变形和破裂。

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