CSST集团是中国领先的平安城市、数字城市、智慧城市综合运营商。
CSST is a leading provider for safe city, digit city and smart city solutions in China.
分析了平安城市建设中两个典型的视频监控联网系统，即模拟接入方式的模数混合型和数字接入方式的全数字型，对比分析了两者的优缺点。
And then, after the comparison of those two systems, a new analog-digital-mixed type is proposed, which conbimes the advantages of those two systems.
这不只100%数字化，提供清楚，平安的传输，但它的外观和巨大工程。
It's not only 100% digital, providing a clear and secure transmission, but it looks and works great.
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