The telephone network based on circuit-switching and digital program controlled exchanging technology plays an important role in the whole communicating networks.
以电路交换和数字程控交换技术为基础的电话网更是在整个通信网中占据着重要的地位。
The I/O interface circuit, as an information exchanging device, coordinates the work between the computer and the simulator. Each out equipment gains access to the computer through interface circuit.
接口是仿真系统中计算机和模拟船舶电站发电装置之间信息交换的部件，它使两者之间能很好地协同工作，每一个外设都要通过接口电路才能和主机相连。
In view of the disparity among DSP and other microprocessors, the logic circuit in waiting requisition and the data exchanging interface among DSP and external chips is offered.
针对数字信号处理器与其他微处理器的不同之处，文中着重介绍了等待状态发生逻辑电路及数字信号处理器与外部芯片的数据接口电路。
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