...动方式，有利用霍尔效应组件 (Hall effect sensors) 或是反电动势 (Back EMF) 来侦测电机转子绕组的机械角度 (Mechanical Angle) 或电机角度 (Electrical Angle)，然后准确的控制 MOSFET 的开关，以达到电机持续的运转。
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Mechanical Angle In Degrees 机械转角
Mechanical rotating angle 机械角度
mechanical loss angle 力学损耗角
mechanical pressure angle 机构压力角
mechanical deflection angle 机械偏转角
From quanta mechanical Angle looks, vacuum is not stable.
从量子力学的角度看，真空并不不乱。
By modeling the mechanical part, Angle and motor of the ball-beam system, the simplified transfer function of the ball-beam system is obtained.
通过建立球杆系统机械部分模型、角度模型和电机模型，简化后得到了整个球杆系统的传递函数。
Effects of mechanical heterogeneity on fracture toughness and crack deviation Angle of the joints were investigated by experiment.
通过试验研究了力学不均匀性对接头断裂韧性和裂纹开裂角的影响。
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