The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.

此时，存在明显的双极电场，而双极扩散流基本上是离子扩散的量级。

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Second, this new framework introduces a high efficiency shape and anatomy prior constraints model. The experiments on the cardiac MR images show the Diffusion Level Set can get nice result.

对心脏MR图像的分割试验表明，带先验约束的扩散水平集混合模型对左心室内外壁轮廓的分割结果较为理想。

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Spread: this value sets the level of diffusion of the occlusion.

传播：这个数值设置遮挡的扩散级别。

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