Based on TINs DEM, a new single-flow direction algorithm for topographic patterns extraction is proposed.

基于不规则三角网DEM，提出一种新的单流向地形特征自动提取算法。

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After detailing the first of the nine flows, we can immediately turn them over to the design team, and spend time with them to see how well the single flow guides their work.

在详述九个流的第一个之后，我们可以立即将它们转到设计团队，并花时间观察此单个流如何指导工作。

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Ultimately this single flow of identity can streamline the implementation.

最终，这个身份流可以使实现合理化。

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Fitch said Nokia needs to stabilize revenues and be capable of generating low-single digit non-IFRS operating profit margins and positive pre-dividend free cash flow, if it is to affirm the current rating.

FORBES: Nokia Debt Rating Downgraded To Junk Status Buy Fitch

The currents of history may ebb and flow, but over time they move -- decidedly, decisively -- in a single direction.

WHITEHOUSE: President Obama Speaks to the Australian Parliament