Convolutional code is still the channel coding in low speed data transmission services in 3g.

在3g中卷积码仍然是低速数据的信道编码。

youdao

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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The services are based on the data transmission technology and especially of the transmission means as available at the time of concluding of the contract.

该服务是基于数据传输技术而履行，特别是合同订立时可用的传输工具。

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Its primary ambitions are to provide international data-transmission services for businesses and to take stakes in national carriers around Asia.

ECONOMIST: Nippon Telegraph and Telephone

If you look at middle term, in fact, we have exactly the same type of problems, which is we are entering the new period for Internet, data transmission, services, the multi-screens, connected TV.

FORBES: Magazine Article

We substitute data transmission, the Internet, and Web services for quill pens, penknives, and illuminated script these days.

FORBES: Lucretius's Legacy Depended On The Toughness Of Vellum. What Will Save Ours?