To this end, the requirements of the telephone service, the data transmission service and the signalling network management, in particular, were investigated.

为此，专门调查了电话业务、数据传输业务和信令网络管理的要求。

youdao

In order to provide reliable data transmission service on disturbed channels, a modified Go-Back-N ARQ protocol is used to retransmit data by a communication gateway.

文中介绍为了在有扰信道中提供可靠数据传输服务，通信网关在应用层使用经过改良的连续ARQ协议机制实现数据重传。

youdao

The real-time data transmission service is an important service in the MSTP of deep-sea measuring ship, is also a weak link, which restricts the full use of transmission platform in measuring ship.

实时数据传输业务是测量船多业务光传输系统（简称传输平台）的重要业务，也是传输平台使用中的薄弱环节，制约了传输平台系统在测量船上的充分使用。

youdao

About 1, 000 people and businesses already have the service, which provides data transmission speeds at a minimum rate of 256 kilobits-per-second, 4.5 times faster than the speediest phone circuit.

CNN: With a Little Help From a Foe

When it comes to data transmission and streaming video, what you really want to provide good service is many, many small microcells transmitting service at high bandwidths.

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