This method not only enhances the accuracy of segmentation, but also solves the bounder gap problem well, which is quite a puzzle for single level set algorithm.

该方法不但提高了分割的精度，而且能够很好地解决单一速度函数水平集算法难以处理的边界缺口问题。

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The level of the pattern has been elevated from a single set of techniques to a dish that comprises other fundamental techniques.

模式的级别已经从一系列单独的方面提高到了一整盘菜中，他包含不同的基本技术。

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Then, there are also nested levels, which combine different level solution in a single set.

然而，也有其他嵌套的级别，是把不同级别的解决方法结合成单一设置。

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Clijsters did not drop a single game in the first set but her level dropped significantly early in the second, with the number of unforced errors reaching double figures.

BBC: Venus Williams & Kim Clijsters into US Open round two

The bean counters like the fact that you can write an application once and then, with little expense and effort, modify it to run on a whole universe of Microsoft systems from the corporate network level (Windows NT) down to a single set-top box (Windows CE).

FORBES: WebCE

Well, in one way that sounds like an OK idea, a single set of rules for a certain type of finance: a level playing field and all that.

FORBES: Banking Regulation, Yes, But Perhaps Not Stupid Banking Regulation?