But the computer and an additional flight control device called the canard have rescued the delta wing from obsolescence.
但电脑和一额外的飞行控制装置，称为鸭已救出三角翼从陈旧。
But the computer and an additional flight control device called the canard have rescued the delta wing from obsolescence.
但电脑和一额外的飞行控制装置，称为鸭已救出三角翼从陈旧。
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