提出一种改进的双控制通路锁相环结构。
The authors propose an improved phased locked loop (PLL) architecture with dual control paths.
油门双控制机构，行走与作业操作更方便。
With accelerator dual control bodies, the running and operation are more convenient.
新型双控制方案采用两个控制器：一个是跟随控制器；
The new type of double controller scheme is made up of two controllers:one is the following controller;
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