Digital hard disk video recorder system has been playing an important role in various application regions. Record function module is its core.
数字硬盘录像系统在各个应用领域发挥着重要的作用，录像功能模块是其核心部分。
Digital hard disk video recorder system has been playing an important role in various application regions. Record function module is its core.
数字硬盘录像系统在各个应用领域发挥着重要的作用，录像功能模块是其核心部分。
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