科学家认为首当其冲的原因是20世纪60年代和70年代的原子弹试验,原子弹爆炸时放射性原子被释放到大气当中。气流携带着这些放射性原子,将其散布到全世界。
They think the second spike is due to the 1986 Chernobyl disasterin which the reactor exploded in the Ukraine.
他们认为第二大原因是1986年乌克兰核反应堆发生爆炸的切尔诺贝利核灾难。
The effects of Chernobyl were felt locally and no effect was seen in the U.S., probably because it was too far from the disaster to have an effect.
切尔诺贝利事故在当地造成了影响,但并没有波及美国,很可能是因为美国离灾难发生地太远了。
'The closer the country was to Chernobyl, the stronger the effect,' said study co-author Hagen Scherb, a biostatistician at the German Research Center for Environmental Health in Munich.
这一研究的作者之一哈根 舍布说:“离切尔诺贝利越近的国家,受到的影响越大。”舍布是位于慕尼黑的德国环境与健康研究中心的一位生物统计学家。
More males were born relative to females in Belarus - the Ukraine's neighbour - than in France.
在乌克兰的邻国白俄罗斯,男婴相对于女婴的人数比法国多。
The study is based largely on Cold War-era statistics, but the findings are highly relevant for how gender could be effected after future nuclear disasters.
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