The story of 10 Russians accused of infiltrating themselves into American suburban life looks like it will end the way many espionage scandals did during the Cold War — with an old-fashioned spy swap.
10个俄国人被指控渗透到美利坚的市郊生活，这一事件看来会像冷战时期那些谍战丑闻一样的方式来收场——既老一套的间谍互换。
Thus, a spy plane could not be completely invisible if it were to be used for espionage or, indeed, flown at all, since its pilots would need to know its position relative to the ground.
所以，如果要用来执行侦察任务，侦察机就不可能完全隐形，否则就不能飞行，因为飞行员需要知道飞机与地面的相对位置。
Thus, a spy plane could not be completely invisible if it were to be used for espionage or, indeed, flown at all, since its pilots would need to know its position relative to the ground.
所以，如果要用来执行侦察任务，侦察机就不可能完全隐形，否则就不能飞行，因为飞行员需要知道飞机与地面的相对位置。
应用推荐