usb主机控制器遵循两个标准之一：UHCI(通用主机控制器接口)或OHCI(开放式主机控制器接口)。
USB host controllers follow one of two standards: UHCI (Universal host controller Interface) or OHCI (Open host controller Interface).
介绍MODBUS协议是应用于电子控制器上的一种通用语言，它已经成为一通用工业标准。
As a general language applied in electronic control devices, MODBUS protocol is a general industrial standard already.
通用模型控制(CMC)算法的参考轨迹是一条标准的二阶曲线，该控制器的参数具有明显的物理意义，控制器参数整定方便。
The reference trajectory of common model control (CMC) scheme is a classic second order curve. The parameters of CMC are of very explicit physic meaning and it is very easy to tune for the controller.
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