A reliable communication link is the key to realize airborne GPS data valid transmission.
可靠的通信链路是实现机载GPS信息有效传输的关键。
2
The research on air-to-water sound transmission is essential for designing underwater acoustic system to detect airborne target.
设计良好的水下对空声探测系统，需要深入理解空气声波透射入水规律。
3
Transmission electron microscope and X-ray diffraction were used to study airborne particulates collected in Chongqing, Sichuan Province, which are seriously damaged by acid rain.