The ideas of the system for further study are proposed hi the last.
论文最后提出了今后研究工作的重点。
Hi, boys and girls, you should know what is the TV rating system.
嗨！小朋友，你应该知道什麽是电视分级制。
The "Underwater Pipeline Dry Repair System" is a National "863" Hi-tech project.
水下管道干式维修系统的基本设备是一套大型水下干式舱。
The "Underwater Pipeline Dry Repair System" is a National "863" Hi-tech project.
水下管道干式维修系统的基本设备是一套大型水下干式舱。
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