A direct box shear test on granular material is successfully simulated by means of distinct element method.

用离散单元法模拟了粒状体的直剪试验。

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Fernandes was allowed to stroll into the box without a care in the world and, direct from a Razvan Paduretu corner, the big defender powered a header past Pepe Reina to level the tie at 1-1 on aggregate.

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Larger rival Direct Line has told the BBC it is also piloting its own "black box" scheme.

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