The parabola would control air flow in a way that would lessen the shockwave, NASA says.
NASA表示，这一抛物线设计可以通过控制气流来减少冲击波的产生。
A kind of parabola interpolation method with numerical control periodic increment is introduced.
介绍了一种周期增量抛物线数控插补方法。
A kind of parabola interpolation method with numerical control periodic increment is introduced.
介绍了一种周期增量抛物线数控插补方法。
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