但是由于步进电机存在步距角较大及低速振动等问题，限制了它在高精度场合下的应用。
Due to such problems as bigger stepper Angle, and low speed vibration, the use of the stepper motor in high precision conditions is limited.
实测结果表明，该系统可进一步细分步进电机的步距角，满足了高精度及高分辨率应用需求。
The test shows that this system can subdivide further the stepping Angle of stepping motor to satisfy the application needs of high precision and high resolution capability.
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