ca(conditional access造句

Ca ( conditional access ) is a future function and we plan to use our own ca system
Ca (条件接收)功能为本系统预留实现的功能，初步计划使用自行设计的ca系统。
Stb is not only a substitute of digital tv , it is also the creation of new developing of digital tv such as the developing of vod ( video on device ) and ca ( conditional access ) and iptv . it is useful to study on the design of stb since the analog - digital hybrid idtv is not come into being
数字电视机顶盒不仅仅是模拟电视到数字电视过渡时期的产物，它也因付费电视和视频点播、 iptv等数字电视的新发展而存在。在数字电视一体机还未普及的今天，对数字机顶盒的研究仍然具有实际的意义，同时，对数字机顶盒的研究也可以促进多媒体处理器的发展。
It's difficult to find ca(conditional access in a sentence. 用ca(conditional access造句挺难的