A nuclear test often is as political as it is technical. The intricacies of domestic and external politics play into Pyongyang’s decisions on nuclear testing, going far beyond the technical aspects...

中文翻译：

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做还是不做：平壤第七次核试验的计算

核试验往往既具有政治性，又具有技术性。错综复杂的国内外政治影响着平壤核试验的决定，远远超出了技术方面的范围……