“任何公开的东西都是搜集的对象。” 美国科学家联合会史蒂芬·阿福特古德说。
"Anything that is out in the open is fair game for collection, " said Steven Aftergood, of the Federation of American Scientists.
据美国科学家联合会的最新报告，MANPADS仍然是世界许多地区的威胁武器。
According to a recent report by the Federation of American Scientists, possession of MANPADS continues to be a threat in many parts of the world.
美国科学家联合会最近估计中国有200枚核弹头，与美国的近一万枚相比要少得多。
With about 200 nuclear warheads according to a recent estimate by the Federation of American Scientists, China's arsenal is far smaller than the United States' near 10,000.
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