The exchange of artillery fire between the two Koreas, which follows revelations of 2,000 North Korean centrifuges producing uranium for a new reactor, constitutes a direct challenge to US president Barack Obama’s Asia policy. The latest gust of militarism and aggression from Pyongyang also demonstrates the fragility of the current system of power relationships throughout this critical region.
朝鲜和韩国此次炮火互射，对美国总统巴拉克•奥巴马(Barack Obama)的亚洲政策构成了一项直接挑战——就在几天前，朝鲜还披露拥有2000台离心机，为一处新核反应堆提炼浓缩铀。朝鲜政府最近频频爆出的军国主义及挑衅行为，也显示出这一关键地区当前权力关系体系的脆弱。
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