一个端口是用于携带内容(比如视频轨道)，第二个主要(服务器端口)作为一种反馈机制报告质量和包丢失。
One port is used to carry content (say a video track) and the second (the RTCP port) is mainly used as a feedback mechanism to report on quality and packet loss.
从轨道发回的视频显示了航天器的对接瞬间。
A video feed from orbit showed the final moments of the vehicles coming together.
UDP是用来传输编码的视频或音频轨道(或其他类型的音轨)。
RTP over UDP is used to transport the encoded video or audio tracks (or other types of tracks).
从这个意义上讲，我觉得视频也是在类似的轨道上。
保存你所有的音乐，图片，视频和其他文件的轨道将很快成为一个苦差事，除非你仔细管理文件的名称。
Keeping track of all your music, images, videos and other files will quickly become a chore unless you carefully manage the file names.
自动化的检测软件检测到存储每个卫星，碎片和流星视频剪辑，并提供估计的，高度和轨道倾角。
The automated detection software stores video clips of each detected satellite, debris, and meteor and provides estimates of the, altitude and inclination of the orbits.
视频接着回到蓝色的土卫八轨道展示了土星系统。
The movie then zooms back into the system to show the orbit of the moon Iapetus in blue.
多立体声视频与音频轨道选择。
在这些案例中，最著名的莫过于发现号航天飞机（任务代号：STS-48）在1991年9月15日的轨道飞行中所记录的一段视频资料。
Among the most famous of these is a video sequence recorded by the space shuttle Discovery (Mission STS-48), while in orbit on September 15, 1991.
轨道交通机车的车载音视频系统是整个机车系统的重要组成部分之一。
Audio and video system of subway train is one of important part in urban rail transportation.
通过对城市轨道交通数字视频监控系统的介绍，分析其存在问题和解决方案，探讨了城市轨道交通数字视频监控系统的发展前景。
Through the introduction of Digital Video supervision system in Metro system, the paper analyzes some existing problems and gives corresponding solutions.
通过对城市轨道交通数字视频监控系统的介绍，分析其存在问题和解决方案，探讨了城市轨道交通数字视频监控系统的发展前景。
Through the introduction of Digital Video supervision system in Metro system, the paper analyzes some existing problems and gives corresponding solutions.
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