Phosphate rock is one of the four most important basic chemical commodities.

磷酸盐类的岩石是四种最重要的基本化学商品之一。

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Shear failure is a basic failure mode of borehole rock.

井眼剪切破坏是井眼岩石基本破坏形式之一。

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The basic swing dance step begins with a triple step and ends with a rock step.

摇摆舞的基本步骤开始了三重一步，用石头一步完。

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All that mining and trucking rock around was expensive, even though the basic idea, heating the rock, has always been very simple, so simple that you can even do it at home, as NPR's technology reporter Nell Boyce explains.

NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale

Not content with the basic black concert T shirt, the Stones are moving into upscale souvenirs--Rolling Stones Rock wear--to be sold at the concert sites when possible, but also in retail outlets like Macy's, J.

FORBES: Satisfaction Guaranteed

Ms Knight said the banks supported the basic framework of the tripartite agreement but that it had clearly been "found wanting" during the Northern Rock crisis.

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