作为直接伺服驱动器，它提供了高解析度。
伺服驱动器有两种。
给出了步进驱动器的硬件结构和步进伺服系统的运行过程。
The hardware structure as well as the movement of stepping servo system are also given.
给出了步进驱动器的硬件结构和步进伺服系统的运行过程。
The hardware structure as well as the movement of stepping servo system are also given.
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