Rather, nuclear crises since 1994-and the detonation of a first nuclear device in 2006-allow him to present himself as the nation's defender against aggression.

而自1994年以来的核危机，以及2006年的第一个核装置引爆，让他饰成一个抵抗侵略的民族英雄。

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The detonation wave resistance of multi-layer structures composed of Kevlar composites and amour steels was studied by using simulation test device.

利用防爆轰波模拟试验装置研究了由装甲钢和芳纶复合材料组成的不同复合结构对爆轰波的防护性能。

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It was not clear what the detonation device was, but the charges against Dzhokhar say he was using a cellphone moments before the blasts.

NPR: Boston Bomb Investigation Extends To Russia