The county to achieve the urban and rural telephone program control, county, township and village full realization of international and domestic long-distance direct-dial telephone.
全县实现了城乡电话程控化，县、乡、村全部实现了电话国际国内长途直拨。
So the network is made of a full-distributed structure, which is suitable for the control of far distance.
由此可以看出由多个子网组成的网络是一种分布式的结构，从而非常适合远距离控制。
A new full digital control distance method is introduced.
介绍了一种新型全数字控距方法。
A new full digital control distance method is introduced.
介绍了一种新型全数字控距方法。
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