But appropriate the blasting parameters of medium deep blasting in hard rock tunnel is always a technical problem need to be solved.

而合理的硬岩巷道中深孔掘进爆破参数则一直是需要研究解决的技术难题。

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Hot melting is a completely new method to fracture rocks and has played a very important role in drilling medium deep and deep holes in Antarctic area.

热熔法是一种全新的碎岩方法，在南极中深孔的钻进中起了重要作用。

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The Xiong'er Group volcanic distrubutive region in Huangzhuang of Songxian-Santun of Ruyang belongs to the medium deep denudation region with the intense tectonic event(disturbance).

嵩县黄庄—汝阳三屯一带熊耳群火山岩分布区属构造变动强烈的中深剥蚀区。

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Place a deep, large, heavy skillet over medium-high heat.

NPR: Salpicon Recipe

When a communications medium is both riding the Moore's Law cost-capability curve and tapping into a deep need, it's no fad.

FORBES: Magazine Article

Deep Impact has two main science instruments: the High Resolution Instrument (HRI) and the Medium Resolution Instrument (MRI).

BBC: Q&A: Deep Impact comet mission