The explicit scheme ULWC is used on the coarse grids and the implicit delta-form approximate factorization scheme on the fine grids.

粗网格用显式ULWC格式，细网格用隐式余量型近似因式分解格式。

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And there was a problem nearby in the form of Delta 201, a 2, 000 square-mile danger area over Cardigan Bay that is used as a military range.

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"Not only was water active in this region to weather the rocks, but there was enough of it to run through the beds, transport the clays and run into the lake and form the delta, " said Ms Ehlmann.

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Despite its shortcomings in prototype form, the Delta Six shows promise, but it needs crowdsourced cash to reach its full potential.

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