A dual grid, consisted of an adaptive 3-d grid and a stationary 2-d rectangular grid, is employed to model the fluvial processes under the control of non-uniform boundary conditions.

该文提出了由自适应三维网格和固定矩形网格组合的“双网格”方法来模拟非均匀边界条件控制下河道演变的思路。

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It is still early days but as bitcoin bypasses traditional banking and financial institutions, it is a currency off the grid just as System D.

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We also covered several off-grid devices that we'd like to have in the event of another storm of Sandy's magnitude -- Nokero's compact SunRay Pro solar charger, Berkey's super-versatile and effective water filter and Eton's hand-crank cellphone charger.

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"If you think about the TV listing grid as a 2D experience, what we're moving to is a 3-D experience, " Ms. Tanner said.

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