The method defines and tracks fluid-solid interfaces with a level set function.

采用位标集函数确定和跟踪流-固界面。

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The model was implemented by level set method with a binary level set function to reduce the expensive computational cost of re-initialization of the traditional level set function.

该模型采用二值化水平集方法实现，避免了传统实现方法水平集函数需要重新初始化为符号距离函数，从而导致稳定性差、计算量大、实现复杂等缺点。

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It turns out that the body has a set level of pH that it likes to function in. Just as we all have a normal body temperature, we also have a normal pH for our tissues.

我们的身体有一个能起功能作用的pH水平，这就像我们有正常的体温，我们的组织液也有一个正常的pH值。

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Rather than looking for cheap courses, companies are more focused on ensuring that their staff emerge from the schools with a skill set that will allow them to function at a higher level within the organization.

CNN: Economic growth underpins demand

Like all Garmin products, the BarkLimiter Series is simple to use, with a set-it-and-forget-it "autorise" function that automatically programs the stimulation intensity level based on the barking behavior of each individual dog.

ENGADGET: Garmin announces new dog collars, talks up 'Bark Odometer'