control clock meaning in Chinese

控制钟
母钟

Design and implementation of self - control clock based on gps time source
时间源的自控时钟的设计与实现
Radio controlled clock
多功能lcd钟
The article introduces the card ' s capability and controlling modes . according to the application of the card in the system , the article discusses the card ' s structure , operation principles and related software and hardware , such as controlling clock , sweeping channel , the range of i / o signal and connecting modes
文章采用相当篇幅介绍了该卡的性能及控制方式，并根据该卡在本系统中的具体应用，着重对卡的性能、结构、工作原理，以及与本系统实际应用有关的各种软硬件设置进行了说明，包括从控制时钟到扫描通道，从输入输出信号幅度范围到信号接口连接方式等多方面。