新增长途光缆27000皮长/公里，数字微波干线14400公里，电话交换机容量1961万门。
The total lance of long distance optical cable increases by 27000 sheet km, that of digital microwave links by 14,400 km and the number of telephone lines by 19.61 million.
新增长途光缆27000皮长/公里，数字微波干线14400公里，电话交换机容量1961万门。
The total lance of long distance optical cable increases by 27000 sheet km, that of digital microwave links by 14, 400 km and the number of telephone lines by 19.61 million.
海底光缆路由勘察使用先进的仪器设备，采集的是数字化信息，能快速准确的成图。
The advanced instruments and equipment were used for the submarine fiber optic cable route surveys, and the collected digital information can be used to quickly and correctly make the maps.
数字信道的传输媒体可以是光缆、数字微波、卫星信道等各种手段。
The transmission medium for a digital channel can be opticalcable, digital microwave link and satellite circuit, etc.
数字信道的传输媒体可以是光缆、数字微波、卫星信道等各种手段。
The transmission medium for a digital channel can be opticalcable, digital microwave link and satellite circuit, etc.
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