有保证的服务品质包含三种参数:封包传输延迟、封包延迟变异,以及封包遗失率。
Guaranteed QoS includes three basic parameters: packet transfer delay, packet delay variation and packet loss rate.
传送端根据以变动框架长度为基础之 遗失率估算法,来估算目前网路上封包 遗失的状况,并以此作为切换高低音质档案的依据。
The sender tracks the packet loss status according to the algorithm-loss rate estimation based on variable frame size and switches two audio sample files in accordance with packet loss status.
这种规定阻碍了拾得人报告、返还遗失物的积极性,是近年来我国遗失物返还率越来越低的主要原因。
This rule obstacles person's positive to report and return the lost article. That is the main reason for more and more lower returning rate in our country.
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