radio wave spectrum

Radio wave tomography technique and its application in underground radio wave probing;

无线电波层析成像技术及在矿井坑透中的应用

Computer emulation on the propagation of radio wave in the tunnel;

无线电波在巷道中传播的计算机仿真

Characteristic analysis of radio wave transmitting on three different grounds;

无线电波在三种不同土壤上的传播特性分析

Ionospheric heating by powerful high-frequency radio waves;

大功率高频无线电波加热电离层

electromagnetic waves,eg X-rays,radio-waves,light waves

电磁波（如X 射线、无线电波、光波）.

Radio waves travel in straight lines.

无线电波是直线传播的。

radio wave propagation in the ionosphere

电离层无线电波传播

static at radio wavelengths.

无线电波长的静电干扰。

radiowave penetration instrument

无线电波透视法仪器

transmit messages via radio waves.

通过无线电波传输信息。

radio-wave refractive index of air

无线电波的空气折射率

transmit(a signal,etc)by radio waves

用无线电波发送（信号）

Radio waves are similar to light waves except their wavelength is much greater.

无线电波与光波相似，但无线电波的波长要长得多。

radio (directional) beam

无线电(定向)波束

radio-communication line of centimetric wave

微波无线电通信线路

radio landing beam

无线电着陆导航波束

Citizens' Band Radio [CBR]

市民业余波段无线电

radio-microwave telemetering system

无线电-微波遥测系统

radio interference field intensity meter

无线电干扰波场强计

marine frequency band

船用无线电通信波段

beacon ground S-band

地面S波段无线电信标

beacon ultra-portable Sband

小型S波段无线电信标