universal synchronous bus 通用同步总线
universal synchronous asynchronous 通用同步异步
USA Universal Synchronous Asynchronous 通用同步异步
USB universal synchronous bus 通用同步总线
synchronous universal shaft coupling 同步万向联轴器
synchronous universal joint 同步万向联轴器
The logic functions of MSI counter 74161 was analysed. It could be taken as a universal sequential module to realize any synchronous sequential circuits.
分析了MSI计数器74161的逻辑功能，它作为通用的时序部件可以实现任意同步时序电路。
Meanwhile, the PWM generated methods of a universal DC voltage source inverter are applied to the cycloconverter after the synchronous process.
同时也提出将用于通用型直流电压源逆变器的PWM波生成方法，经过同步处理后，可以应用到该交-交变频器中。
Driving system consists of gear wheel, universal shaft couplings and the synchronous belt.
传动系统采用齿轮箱，万向轴联轴器，同步带相结合型式。
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