The Video On Demand System is one of value-added service the most important vocational work in the Digital Television .

视频点播系统是数字电视业务中最重要的增值服务之一。

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Courseware on demand system is an important system of the network teaching. It is a solution for students to study environmental problem.

课件点播系统是网络教学中非常重要的系统，主要是解决学生自学环境问题，是培养学生创造性的重要环节。

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Video on Demand system involves multiple technologies including data compression, data transmission, software making and database management.

视频点播系统涉及数据压缩、数据传输、软件制作及数据库管理等多种技术。

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Rising costs and an aging population also put extra demand on the system,and this worries health providers, says Kersting.

VOA: standard.2009.09.28

In essence, the Power on Demand system, which Arista has installed in several of its small-business customers, is a storage and power management unit rolled into one.

FORBES: GE Partners With Tiny Arista Power To Dominate Huge Energy-Storage Market

In essence, the Power on Demand system, which WindTamer has installed in several of its small-business customers, is a storage and power management unit rolled into one.

FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy

Mark Matthews, one of the designers of the Power on Demand system, says the system is being tested for use as an alternative to the more expensivge diesel generators now being used in various military locations.

FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy