The concept of network control was extended to let digital switches communicate with databases (known as Service Control Points) and signal processing systems (Intelligent Peripherals).

网络控制的概念被扩展到了让数字交换机与数据库（称为服务控制点）和信号处理系统（智能外设）通信。

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Reliability and speediness are contradictory in the digital communication systems which adopt error control in order to solve reliability .

在数字通信系统中可靠与快速往往是一对矛盾。为了解决可靠性，通信系统都采用了差错控制。

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As a kind of low consumed power display device, LCD is applied widely to calculators, digital instruments, industrial monitored control systems and other low consumed power systems.

液晶显示器作为一种低功耗显示器件，广泛应用于计算器、数字式仪表和工业监控系统等低功耗系统中。

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In fact, (and this will get me a lot of nasty-grams), between the sophistication of available GPS-based information and new-generation digital flight control systems, hand-flying is pretty much becoming a lost art.

FORBES: Pilot-Optional Flight Is Closer Than You Think