指调制解调器与计算机通信端口之间的连接速度。这个速度应大于载波速率。
高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
终端位置更新速率又是卫星通信系统终端位置管理的重要指标，直接影响到海上卫星移动通信系统的性能。
Terminal location update rate (LUR) is a very important index of Marine satellite mobile communication system, which affects the performance of whole system violently.
在移动环境中，3G/WLAN网络双模终端可提供无处不在、带宽可变、服务质量（QoS）可保证的多种高速率业务。
In a mobile environment, 3G/WLAN dual-mode terminals can provide a wide range of services at high rate with variable bandwidth and Quality of Service (QoS) assurance.
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