Information: 24 hour uninterrupted net work movement and telephone technical support.
信息：24小时不间断网络运行及电话技术支持。
The structure, operation principles and major function of concentrated supervision and maintenance system for signaling network of telecom support net-work are presented.
介绍电信支撑网信令网集中监测维护系统的结构、工作原理以及主要功能。
But those who support it as a general practice fail to see that it always raises production costs; that it results on net balance in less work done and in fewer goods produced.
但是，主张将之作为一般办法加以推广的人士却没有认识到，这样做通常提高了生产成本，其最终结果就是做的工作更少，生产的商品也更少。
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