Beginning with the analysis of the causes that result in high expenditure, it finds out two different ways to solve the problem, and gives the detail means of them.

通过对成本超支问题的原因分析，找到了解决问题的两种基本方法，并具体阐述了各自使用的方法手段。

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Only velocity grid values have the additional solve steps applied. This option may avoid some artifacts that can result from high detail on the density grid.

只有速度网格值有额外的步骤出现，这个选择能避开一些…并在密度网格上产生高细节。

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To solve the problem of locating the multipoint earthing of the transformer core, two novel methods, named as high-frequency method and travelling-wave method, are analyzed and compared in detail.

为对变压器铁心发生的多点接地故障进行准确定位提出了高频法和行波法两种检测方法，并对它们进行了较为详细的分析和比较。

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