A new ignition system where a two layered centre core ignition system having a pyrotechnic composition is given.

介绍一种带烟火剂双层中心点火管的新型点火系统。

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The purpose of this paper is to predict precisely the ignition and combustion phenomena that occur in high-pressure antitank guns with centre core ignition and combustible cartridge.

本文的目的是精确地预测带中心点火管及可燃药筒的反坦克高膛压火炮的点火及燃烧现象。

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Core staff were trained at the main centre and in their own facilities.

其核心人员都在主中心和各自的设施中接受了培训。

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It said the option might be "attractive" in cost terms, but added that "this solution is not advocated because it is recognised the closure of this landmark building in a core location within the town centre, even on a temporary basis, would have detrimental effect on the town centre".

BBC: North East Wales

ATutor s core development team is with The Adaptive Technology Resource Centre, University of Toronto, Canada.

UNESCO: Free and Open Source Software for E-learning

Mr Griffin has already upset the hard core by dragging the party fractionally closer to the centre ground.

ECONOMIST: The BNP and Hizb ut-Tahrir