1.
tropospheric refraction of radio wave
无线电波在对流层中的折射
2.
radio-wave refractive index of air
无线电波的空气折射率
3.
a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length.
电离层中的一层，距地面至英里处，反射中等波长的无线电波。
4.
"Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space."
无线电波的波长在空气中以直线前进,或由电离层反射,或与位于太空中的通讯卫星来往。
5.
Comparison of Net Gain of Vertical Narrow-Beam Antennas and Symmetrical (or Near Symmetrical) Beam Antennas on Troposcatter Communications Circuit
在对流层散射通信电路上垂直窄波束天线与对称(或近似对称)波束天线的净增益之比较
6.
Effects of the Linear Birefringence and Its Wavelength Accumulation Upon an Optical Glass Current Sensor;
线性双折射及其波长积累效应对光学玻璃电流传感器的影响
7.
tropospheric scattered propagation of radio wave
对流层电波散射传播
8.
Barrier Interface Scattering Effect on DC Josephson Current in f-Wave Superconductor/f-Wave Superconductor Junctions
f波超导体/绝缘层/f波超导体结中势垒散射对直流Josephson电流的影响
9.
The radio wave refraction correction for improving the accuracy of radio location in necessary.
因此要提高无线电定位的精度,就必须进行电波折射修正。
10.
The Application Research of Shallow Seismic Refraction Survey in the Tunnel Engineering of the Tongnanxuan Freeway;
浅层折射波法在铜南宣高速隧道工程中的应用
11.
In radiocommunications, the radiation in a lobe of a directional antenna.
在无线通信技术中,定向天线以某一波瓣辐射的电磁能。
12.
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves.
电离层中的最底层，处于地球表面以上至英里的部分，反射低频无线电波。
13.
Specification for calculation of interference effects of AC highvoltage overhead power transmission lines on non-directional beacons
高压交流架空送电线无线电干扰对中波导航影响的计算规程
14.
Radio wave: Wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves.
无线电波:电磁波谱中比红外辐射频率更低的电波部分。
15.
The Reason of Refraction of Electric Displacement Line at Interface;
静电场中电位移线在界面上折射的原因
16.
the branch of astronomy that detects and studies the radio waves emitted by celestial bodies.
天文学中对天体发射无线电波的侦察与研究的分支。
17.
tropospheric superrefraction
【地物】对流层超折射
18.
radio telescope( apparatus for finding stars,tracking spacecraft,etc by means of radio waves from outer space)
射电望远镜（藉来自外层空间的无线电波发现星体、追踪宇宙飞船等）.