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- Radar Observer License 雷达观察员许可证
- Doppler Radar Observations of Dust Devils in Texas. 德克萨斯州沙尘暴的多普勒雷达观测。
- VHF Doppler Radar Observations of Buoyancy Waves Associated with Thunderstorms, 1984 J.Atm.Sci. 雷达和微波辐射计测雨特性比较及其联合应用，1980年大气科学。
- Evaluating High-Resolution Model Forecasts of European Winter Storms by Use of Satellite and Radar Observations. 用卫星和雷达观测评估欧洲暖季风暴的高分辨率模式预报。
- Synthetic Aperture Radar Observations of the Surface Signatures of Cold-Season Bands over the Great Lakes. 大湖上空冷季带地面信号的合成孔径雷达观测。
- Terminal Doppler Weather Radar Observation of Atmospheric Flow over Complex Terrain during Tropical Cyclone Passages. 热带气旋通过期间复杂地形大气气流的终端多普勒天气雷达观测。
- Radar observers and long-distance truck drivers often reported blips that weren't there, and stopped for hitchhikers that didn't exist. 长途卡车司机会突然停车，因为他看到搭便车的旅行者，而路上连个鬼影都没有。
- Read-outs of the radar observations confirmed the unusual: The Cougar had not been captured at all descending or falling to the sea. 雷达跟踪器证实了此事的不寻常：“美洲狮”丝毫没有被跟踪到它是怎么升空以及坠入大海的。
- It is mathematically proved that angular glint linear deviations are independent of radar observational range in far-field region. 从数学上证明了远区角闪烁线偏差与雷达距离无关；
- The radar observations were made Oct. 18 and 20 and show, according to a preliminary assessment, a "strongly bifurcated" appearance. 依照初步的估计，雷达观察在十月18和20日进行，外观上是一种“强而有力的二分”。
- Hermes, a space rock lost to science for 66 years and recently rediscovered, could actually be a pair of orbiting asteroids, new radar observations suggest. 新的雷达观察者提出，赫密士，一块太空石头，66年来不为科学家所知，最近又重新发现，事实上是一对小行星的运动轨道。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- Having the back showing or in view of the observer. 背面的显露出背面的或背对观察者的
- They sent her there as an observer. 他们派她去那做观察员。
- He has taken out a driving license. 他已领驾驶执照了。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- He can obtain a driver's license now. 他现在可以获得驾驶执照了。
- His license was suspended for six months. 他的执照被吊销6个月。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- When is the expiration of your driving license? 你的驾驶执照何时到期？
