单词：three-dimensional pattern
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North Korea Missile Threat Brings Back Talk of 'Star Wars' Defenses Scientists and American space agency officials led efforts by the United States to develop a space-based missile defense system in the 1980s. Now, those same individuals are urging t
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BEIJING, June 7 (Xinhua) -- Member states of the Shanghai Cooperation Organization (SCO) called for the establishment of a nuclear-weapon-free zone in central Asia in a declaration released after the conclusion of the group's Beijing summit on Thursd
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By Paula Wolfson White House 02 January 2008 The Bush administration's top official on North Korea is returning to the region later this week, just days after Pyongyang missed a deadline to file a complete declaration of its nuclear activities. VOA W
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