Modulation technique is very meaningful for the digital data transmission efficiency.

调制技术对数据传输效率有重要的意义。

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By the late 20th century the telegraph had been replaced in most applications in developed countries by digital data transmission systems Based on computer technology.

20世纪晚期，在发达国家中，电报的大部分应用已被用计算机技术的数字数据传输系统取代。

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Finally, digital service also provides flexibility in the transmission of voice, data, video, and other services with equal ease.

最后，数字业务可同样方便地传输声音、数据、视频和其他业务，因而提供了灵活性。

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Broadcom Corporation is a developer of highly integrated silicon solutions that enable broadband digital data transmission to the home and within the business enterprise.

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Numerous digital data sources are becoming available because of a combination of increasing data storage, data processing and data transmission productivity (effective available bandwidth appears to double approximately every 21 months).

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The National Radio Astronomy Observatory (NRAO) that runs the facility has for a decade been fitting it with state-of-the-art digital electronics, a new central computer, and high-speed transmission lines to carry the data that the 25m, 200-tonne dishes gather.

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