In this paper the construction plan of mid depth parallel cut blast is introduced, meanwhile some important technical questions are pointed out.

介绍了采用中深直眼掏槽爆破的施工方案，并指出几个关键性的技术问题。

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Through adopting the parallel cut and inverse initiation, and selecting correct delay-interval, an average blasting efficiency of 90% had been achieved.

通过采用含空孔的直孔掏槽方式、反向起爆，并合理选择微差起爆时间，桩井爆破的平均炮孔利用率达到了90 %。

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To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.

为了考查无空孔直眼掏槽爆破参数，采用数值模拟方法研究单自由面垂直炮孔的爆炸作用问题。

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Further examination of one of the skulls from Slip Gill showed similar markings, parallel cut marks, leading to the conclusion that at least one of the victims was probably scalped.

BBC: Ryedale Windy Pits skeletons were 'sacrificial'

The Conservatives might, again, cut taxes without cutting public spending in parallel.

ECONOMIST: Which party is least likely to make it sick again?