Extended speed capability, a high degree of running accuracy, high system rigidity, low heat generation, and low noise and vibration levels are just some of the performance challenges.

扩展速度能力，运行精度高，系统的刚性，低发热程度高，噪音低，振动水平只是表现的一些挑战。

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In the meantime, Hawker Beechcraft developed new models with extended range, higher speed and enhanced capability.

FORBES: Aircraft Makeover: Certifiably As Good As New