由于60纳米的扭矩，这种自行车比典型的安装了电动旋翼叶毂发动机的自行车有更多动力。
With 60Nm of torque, the bike has a lot more grunt than a typical electric hub-motor installed in bicycles.
以直升机主旋翼桨毂星形件为例，给出分析计算结果。
A composite main rotor yoke is used in an example problem to demonstrate the reliability analysis.
旋翼设计包括桨毂构型、旋翼桨叶片数、旋翼直径、旋翼实度、翼型剖面等一系列影响直升机性能的因素。
Rotor design is comprised of some factors such as hub configuration, blade number, rotor diameter, rotor solidity and airfoil which have effects on helicopter performances.
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