美国国家导弹防御系统 Nation Missile Defense
多目标拦截是弹道导弹防御的重大难题，也是目前美国导弹防御系统所遇到的最大的技术难点。
Multitarget interception is a big difficult problem in ballistic missile defense, and is also the most arduous technology of the missile defense system of US.
美国总统布什将很快通知俄罗斯，美国将退出1972年禁止测试导弹防御系统的核条约。
US President Bush will soon give Russia notice that the United States is withdrawing from the 1972 nucleartreaty that bans testing of missile defense systems.
美国总统布什将很快通知俄罗斯，美国将退出1972年禁止测试导弹防御系统的核条约。
US President Bush will soon give Russia notice that the United States is withdrawing from the 1972 nuclear treaty that bans testing of missile defense systems.
应用推荐