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- radar height indicator 雷达高度指示器
- The estimation results based on these equations show that the rain echo power may deviate from its normal value by a factor of -3 to +6 db depending on the radar height, antenna elevation, wave length, beam width, surface reflectivity and roughness. 根据这些公式的计算结果表明;雨区回波功率与不考虑这些因素情况下的值相比较;可有-3至+6分贝的偏差;具体值取决于雷达离地高度、天线仰角、雷达波长、波束宽度、地表反射系数和粗糙度等.
- Nuclear Weapon Burst Height Indicator 核武器爆炸高度显示器
- pulsed-light cloud height indicator 脉冲光束云高计
- Range Height Indicator not Operating 距离高度指示器不工作
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- The climber fell from a great height. 攀登者从极高的地方坠落下来。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- The twins are unequal in height. 这一对孪生儿高矮不一样。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- From a precipitous height we look at the town spread out below. 我们从险峻的高处眺望铺展在下面的城镇。
- The total height is put at390 feet. 整个高度估计为390英尺。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- She can see over the wall because of her height. 她个子高，能看到墙的那一边。
- The ship was provided with radar equipment. 那船装有雷达设备。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- Pop was at its height in the early 1960s. 通俗艺术在二十世纪六十年代初最为流行。
