(A)输入/输出通道 (B)资料线(Data Bus Line) (C)位址线(Address Bus Line) (D)控制线(Control Bus Line)。 189 ( B ) 下列那一种输出用媒体可重复多次写入资料？
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A new type distributed multimedia control system, which utilizes multimedia-computer, CAN BUS LINE, and micro-controller is introduced.
它是一种利用多媒体计算机、CAN现场总线和微控制器组成的一种新型的分布式多媒体控制系统。
The PLC double redundant control sys- tem structure , hardware configuration and software running status were described on the basis of PROFIBUS-DP field bus on float glass line .
论述了基于PROFIBUS-DP现场总线的浮法玻璃生产线的PLC双冗余控制系统结构、硬件组态以及软件实现情况。
The host has ultimate control over the bus and may inhibit communication at any time by pulling the Clock line low.
主机对总线有最高的控制权，在任何时候通过将时钟线拉低就可以禁止通信。
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