A wintry blast is bringing cold air down and dumping up to a foot of snow on some parts of the region.

一股寒冷的强风给这里的部分地区带来了冷空气和一英尺的强降雪。

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Based on analyzing the scan and capture of region identify and duty ratio identification, the paper calculates the killing probabilities of MEFP air blast warhead by Monte carlo simulation.

文中主要针对多爆炸成型弹丸空爆战斗部，在分析区域识别和占空比识别两种不同扫描准则的基础上，应用蒙特卡洛方法计算了战斗部对目标的毁伤概率。

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AIM to establish standard animal model of blast injuries in maxillofacial region and to study the injury of articular disc of temporomandibular joint of the wounded side.

目的建立标准的颌面部爆炸伤动物模型，并研究颞颌关节盘的损伤特点。

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Two polio vaccination workers have been killed in a landmine blast in the Kurram tribal region of north-west Pakistan, officials say.

BBC: Polio workers in Pakistan

Two days after that attack, two polio vaccination workers were killed in a landmine blast in the Kurram tribal region of the country.

BBC: Pakistan 'policeman killed' guarding anti-polio worker