In this paper, we analyzed the sample forced by inter-sand method of centrifugal test.

本文主要介绍了埋砂法恒定加速度试验时元器件的受力分析。

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Mainly introduced the oil sand nature as well as the present oil sand distribution and the reserves, elaborated the oil sand method of exploitation and the oil sand separation method.

主要介绍了油砂的性质以及目前油砂的分布及储量，阐述了油砂的开采方法及油砂的分离方法。

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The approved method of cleaning is industrial sand-blasting.

得到正式认可的清洁方法是工业喷砂处理。

《柯林斯英汉双解大词典》

The new insight, published in the December issue of the journal Antiquity, came because two archaeologists decided to use a decidedly low-tech method to understand the sand drawing's ancient secrets: by walking it.

MSN: Peru's mysterious Nazca Lines form a labyrinth, says study

It extracts oil from the ground using a method called fracking - pumping down a mixture of sand, water and chemicals at high pressure.

BBC: US to become 'world's biggest oil producer'