VHF Communication System: Effective range of 35 miles with multi - channel recording function.

VHF通信系统: 有效作用距离35海里,具有多频道录音功能.

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By combining GPS data and boundary data the auto recording function will be achieved. 5.

结合GPS资讯与限制海域边界数据,建立渔船进入限制海域自动记录功能.

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I also saw a real - time test and demonstration of the Hard Disk Recording function.

我还注意到硬盘录音功能的 实时 演示.

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