radio propagation characteristic
常見例句
- Propagation characteristic of UHF radio wave in rectangle , circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.
研究UHF頻段的無線電波在矩形、圓形和拱形隧道中的傳播特性，推導了衰減常數(shù)的計算公式。 返回 radio propagation characteristic