如果他们真的想要隐形直升机，他们应该创造一个类似于科曼奇能够覆盖住螺旋桨并能提供更大的扭矩而且能缩减噪音。
If they really wanted a 'stealth' helicopter they should have looked into creating something similar to the Comanche which has a covered fan that provides more torque while reducing noise.
如果他们真的想要隐形直升机，他们应该创造一个类似于科曼奇能够覆盖住螺旋桨并能提供更大的扭矩而且能缩减噪音。
If they really wanted a 'stealth' helicopter they should have looked into creating something similar to the Comanche which has a covered fan that provides more torque while reducing noise.
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