·2,447,543篇论文数据，部分数据来源于NoteExpress
Later in September, the foreign journalists were shown in a video broadcast on al-Jazeera television.
9月下旬，这两名外国记者出现在“半岛”电视台播出的一段录像里。
Owing to the use of fully mature digital video broadcast technology, the scheme has high security, simple framework, and low cost.
由于充分利用了成熟的数字视频广播技术，此分级授权收视系统安全性很高，系统构建简单，且成本比较适中。
According to design, this paper has completed the development of the system and achieve a video broadcast on demand teaching services.
根据设计方案，本论文完成了该系统的开发工作，实现了视频直播、点播教学服务功能。
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