The energy of a nuclear explosion is transferred to the surrounding medium in three distinct forms: blast; thermal radiation; and nuclear radiation.

核爆释放的能量将以三种不同的形式传递给周围环境：冲击波、热辐射和核辐射。

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If the explosion is some distance away, it could take 3 0 seconds or more for the blast wave to hit.

如果爆炸距离较远，爆炸产生的冲击波会在30秒左右到达。

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Only five hours after the explosion did Chief Cabinet Secretary Yukio Edano say that no radioactive substances had been leaked as a result of the blast.

在爆炸5小时后，内阁官房长官枝野幸男(Yukio Edano)才宣布并无核辐射物质因爆炸而泄露。

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Police said they were keeping an open mind about possible links between the blast and the explosion at a nearby Territorial Army barracks in February, which blinded a 14-year-old cadet.

BBC: You are in: UK

Now he was being told that the dead soldier was Private First Class Jay Cajimat, who was twenty years and two months old and who might have died immediately from the blast of the explosion, or a little more slowly in the resulting fire.

NPR: Excerpt: 'The Good Soldiers'

The BBC's Will Grant said the blast was the biggest explosion to hit Mexico City for 30 years.

BBC: Mexico blast victims' bodies handed over to families