我们还打算使用小型磁铁通过磁铁与地球磁场的相互作用来控制风帆。
We're also going to be using small magnets to control the sail because they will interact with the Earth's magnetic field.
多极磁铁转子广泛使用在各种速度和整流应用中,如对旋转编码器,里程表和机器的控制。
Bonded multi-pole magnet rotors are used in a wide variety of speed and commutation applications such as to rotary encoders, speedometers and machine controls.
主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。
The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.
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