No more do we have to accept a generic start date for a certain U-boat .
我们也不必须为某种潜水艇接受一般的开始日期。
The airborne laser is U. S. most ambitious directed energy weapon program to date.
机载激光是迄今美国最雄心勃勃的定向能武器计划。
The airborne laser is U. S. most ambitious directed energy weapon program to date.
机载激光是迄今美国最雄心勃勃的定向能武器计划。
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