The DPRK nuclear crisis has initiated a severe security trouble in the Korean peninsula and East-Asia area since October 2002. The crisis has existed for a long time.

• 朝鲜核危机由来已久。 20世纪90年代和去年10月以来发生的两次核危机,引发朝鲜半岛与东亚地区的严重安全问题。