cas_conditional_access_system

1.Conditional access system (CAS) is the key to realize the increment of the DVB system and provides effective system management and subscriber control.
条件接收系统(CAS)是DVB系统实现增值的核心，能够提供有效的系统管理和用户控制。
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2.Conditional Access System (CAS) is one of the key technologies of digital television.
条件接收系统(CAS)是数字电视的关键技术之一。
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3.Conditional Access System (CAS) is used to charge the subscriber for subscribing fee by scrambling the program information.
有条件接收系统通过对节目信息进行加扰从而达到对用户收取收视费用。
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