但是在传统的全步或者半步模式下，步进电机的分辨率受到电机结构的很大限制。
However their resolution, when driven in the conventional full or half step modes of operation, is limited by the configuration of the motor.
介绍了一种基于CPLD实现五相步进电机的驱动器的设计方案，可实现全步、半步控制。
A new design of five phase step motor driver based on CPLD is introduced. The driver can implement the full step and the half step control.
即使有朝一日证明可以制造出在全波段都完全隐形的飞机，还会有一个更深一步的问题。
Even if it ultimately proved possible to make an aeroplane completely invisible at all wavelengths, there would be a further problem.
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