Geophysicists Valentina Radic and Regine Hock of the University of Alaska base these calculations on a computer model derived from records for more than 300 glaciers between 1961 and 2004.

上述数据是阿拉斯加大学的两位地球物理学家瓦伦蒂娜·拉迪克和丽金·霍克通过电脑模型计算出的，该电脑模型来自1961至2004年期间对300多个冰川的资料记载。

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Speaking at an air force base in Alaska this week, Mr Bush reiterated his view that America has no choice but to confront them.

这周，在阿拉斯加一个空军基地的演讲中，小布什重申了他的观点，美国除了直面他们别无选择。

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The Pentagon’sMissile Defense Agency is currently installing six interceptor missilesat Fort Greely in Alaska, and four at Vandenberg Air Force Base inCalifornia.

五角大楼的导弹防御局正阿拉斯加建造6枚截导弹，并在加利福尼亚范登堡空军基地投入4枚。

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Speaking at an air force base in Alaska this week, Mr Bush reiterated his view that America has no choice but to confront them.

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Sarah Palin was thought to excite the Republican base in Alaska and could pull Ted Stevens to victory, but again he still trails in that race as well.

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The Alaska governor jazzed the conservative base, and she also set a pick for McCain to recast himself as a maverick reformer.

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