该计费系统的设计方法不仅适用于宽带视频点播计费系统，也可供其它相近或相关计费系统借鉴。
The design method of this charging system is not only suitable for the charging system of broadband video on demand but also for other close or relevant charging systems to consult.
该系统也可以用于存在类似问题的其他领域，比如视频点播系统等。
The system is also can be used in other field with the same difficulty, for example the video play on demand system.
这些工作针P 2 P视频点播系统，但这些技术本身可以适用于任何P 2 P环境，甚至其他更广泛的领域。
These works aim at the P2P VoD system, but the technology themselves can be used in any P2P systems, or even more other fields.
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