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在1944年,德国人首先使用了远射程的V-1飞航式导弹(巡航导弹)和V-2弹道式导弹。这两种导弹的射程与战斗部重量几乎相同:射程均约300公里;战斗部重量都在1吨左右。但是。V-1导弹的重量轻,只有2.2吨,而V-2导弹的重量为12.9吨;V-1的成本只是V-2的十分之一左右;V-1导弹的发射装置简单且造价低。V-1导弹的缺点是易被敌方的防空武器击落,例如向伦敦发射的V-1导弹有20%～25%被螺旋桨式飞机和高射炮摧毁了。然而,当时的防空武器却难以对付V-2弹道式导弹。直到80
In 1944, Germans first used V-1 missiles (cruise missiles) and V-2 ballistic missiles at long ranges. The range of these two kinds of missiles and Warhead weight is almost the same: a range of about 300 km; warhead weight is about 1 ton. but. V-1 missiles are light, only 2.2 tons, while the V-2 missile weighs 12.9 tons; V-1 costs only about one-tenth of V-2; V-1 missile launchers are simple and low cost . The disadvantage of the V-1 missiles is that they are easily downed by enemy air defenses. For example, 20% -25% of the V-1 missiles launched to London were destroyed by propeller-propelled aircraft and anti-aircraft flares. However, the then air defense weapons were hard-pressed to deal with V-2 ballistic missiles. Until 80