“conditional access system”的概念、定义、翻译、参考文献-科学参考

单词	conditional access system
释义	conditional access system Encyclopedia 文学条件接收释 conditional access system有条件接收系统对视频、音频及其相关数据进行加扰、加密、传输，采用智能卡等软硬件方式对用户进行授权控制管理，并使合法的、经授权的用户可以正确接收、解密、解扰的相关软硬件组成的系统。简称CAS。
随便看	spectrum condition spectrum degradation spectrum-density diagram spectrum detection spectrum distribution spectrum envelope spectrum expander spectrum feature space spectrum field spectrum function spectrum-generating algebra spectrum index spectrum intensity spectrum kernel spectrum level spectrum line spectrum locus Spectrum losses spectrum-luminosity diagram spectrum matrix spectrum measurement spectrum model spectrum monitoring spectrum of a C*-algebra spectrum of a commutative ring

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