Two-phase parameter acquired from ERT reconstructed image, so the quality of reconstructed image is very important.

两相流参数通过ERT重建图像提取，为确保两相流参数的准确性，ERT重建图像的质量至关重要。

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For this example query, it would be better to use literals instead of parameter markers and to accept the repeated prepare phase, as shown in Listing 7.

对于这个示例查询，最好使用文本而不是参数标记，并接受重复的准备阶段，如清单7所示。

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Therefore, time and CPU savings in the prepare phase is minimal even if parameter markers are used.

因此，即使使用参数标记，准备阶段的时间和CPU节约也很少。

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