The B-2 is hard to detect via infrared, acoustic, electromagnetic, visual or radar signals.
B - 2无法通过红外线、声音、电磁波、视觉上的及雷达信号跟踪侦查。
We can apply this method to filming theodolite or radar for auto - matic tracking of the flying target.
该方法可用于地面电影经纬仪或雷达对飞行目标的自动限综。
The sound, image, or message transmitted or received in telegraphy, telephony, radio, television, or radar.
无线电、电报、电话、传真或其它方法发送信号、报文或其它形式的消息。
A network of sensing devices, such as satellites or radar, for detecting an enemy attack in time to take defensive or counteroffensive measures.
警戒设备，如卫星、雷达等组成的网络系统，便于及早发现敌方的进攻以采取各种防御或对抗性措施。
Radar does this to remove ground clutter, information about hills or buildings that it doesn't need.
雷达这样做是为了去除地面杂波，有关山丘或建筑物的信息，它不需要这些。
Think about the advent of hedge funds, twenty or twenty-five years ago, hedge funds were a blip on the radar screen.
想想对冲基金的出现，20或25年前，对冲基金是雷达屏幕上的一个光点。
Airborne technologies, such as different types of radar and photographic equipment carried by airplanes or spacecraft, allow archaeologists to learn about what lies beneath the ground without digging.
机载技术，例如飞机或宇宙飞船能携带的不同类型的雷达和照相设备，让考古学家无需挖掘就能了解地下的情况。
A spaceship's position can be located by following its radio signal, or by using telescopes and radar.
宇宙飞船的位置可以根据追踪它的无线电信号来确定，也可以用望远镜和雷达来确定。
Radar sightings, while in certain respects more reliable, fail to discriminate between artificial objects and meteor trails, ionized gas, rain, or thermal discontinuities in the atmosphere.
在某种程度上更为可靠的雷达观测无法区别大气中的人造飞船、流星轨迹、电离的空气、雨滴和热断层。
Secondly, the probe could have an active radar or lidar defense that targets debris and uses lasers to vaporize the dust particles.
第二，探测器可能有主动雷达或者激光雷达防御系统，可以发现碎片，并用激光来汽化这些颗粒。
In an undated picture, a mock-up of the A-12 spy plane sits perched upside down on a testing pylon at Area 51-part of radar tests to reveal revealed how visible, or invisible, the design was to radar.
在一张未标明日期的图片中，一架实物模型的A - 12间谍飞机倒挂着停放在51区的一个测试塔上，这是为了测试该飞机的外观在雷达上可视或不可视的程度。
Simply speaking, stealth technology allows an aircraft to be partially invisible on radar or any other detection methods.
简单来讲，隐形技术可以使飞机在雷达或其他检测方法下变得部分不可见。
K-Band sensors are also less susceptible to interference from airport landing systems and air or sea craft radar.
K波段传感器也更不易于受到来自机场着陆系统以及飞机和舰船雷达的干扰。
The MH-60R collects and processes voice, video, radar and acoustic sensor data to alert the Navy vessels it supports of undersea or surface movements and threats.
该MH-60R还将收集和处理语音，视频，雷达和声学传感器的数据，提醒海底或海面海军船只的运动情况和所面临的威胁。
In 2004 scientists using three weeks of radar images from European Space Agency satellites found ten rogue waves, each 25 metres or more high.
2004年，科学家利用欧洲航天局三周的雷达图像发现了十个超级巨浪，每个都达25米甚至更高。
Cloaking used special materials to deflect radar or light or other waves around an object, like water flowing around a smooth rock in a stream.
做这件斗篷的材料很特殊，能使包括雷达或光波在内的各种波遇到物体后发生偏转，就象溪流遇到光滑的石头那样。
Saunders said submarines don't always turn on their radar systems, or make their presence obvious to other shipping.
桑德斯说潜艇通常不会开启它们的雷达系统，也不会让其他船只得知它们的存在。
The radar includes a fully integrated Identification Friend or Foe (IFF) interrogator system.
该雷达包含一个完全集成的敌我识别系统。
The Paris metro is considering digging anti-suicide trenches or fitting warning radar in its 380 stations in an effort to reduce the number of people who try to kill themselves on the network.
为了尽可能防止在地铁线路上发生自杀事件，巴黎地铁管理部门目前正在考虑在其所辖的380个车站内采取挖掘防自杀壕沟及安装预警雷达等应对措施。
The worst turbulence is associated with thunderstorms and they are visible to the naked eye or with weather radar which picks up the size of water droplets.
最恶劣的乱流还伴有雷暴雨，肉眼或天气雷达可以发现。天气雷达可以估测出雨滴的大小。
The TPS-59(V) system is a phased-array tactical radar designed to provide long-range surveillance for the Tactical Air Operations Center (TAOC-85 or TYQ-23(V)).
TPS-59（V）系统是一个相控阵战术雷达，设计用来为战术空中作战中心（TAOC-85或者TYQ-23（V））提供远程监视。
And he couldn't even say what kind of curious radar or homing device had brought him back to the Grand Concourse in his Lincoln Town Car.
他也搞不懂究竟是什么样的雷达或者指引回家路线的装置引领着他，他开着他的林肯城市车回到了大广场街。
Full 360 degree coverage can be achieved either by adding more antennas or by placing the radar on a positioner.
通过添加更多的天线或放置雷达可以实现360度全覆盖。
Think about the advent of hedge funds -twenty or twenty-five years ago, hedge funds were a blip on the radar screen.
想想对冲基金刚出现时，差不多20或25年前，它就像雷达屏幕上的一个小点。
Building a reliable and capable AESA radar or a powerful and durable jet engine is quite another.
制造出可靠强大的(activeElectronically Scanned Array)有源相控阵雷达或强有力的耐用航空发动机是另一个境界。
With this radar system and a specially trained Air Force crew the aircraft can operate at a low altitude and in night or adverse weather conditions.
有了这种雷达和经过特别训练的空军机组，飞机可以在很低的高度、夜间或不利的天气条件下飞行。
Experts point out that many companies use external shocks to make significant but below-the - radar modifications to central elements of their business, such as at plants or in supplier relationships.
专家指出，很多公司利用外部冲击对其业务中心元素，如工厂或供应商关系进行重大但不太显眼的修整。
They may be not on the national radar For me, in my own life, when I think of real heroes or even role models, or well-known people in the Patheon of struggle.
有哪些是你觉得人们需要了解的？,对于我来说，当我想到真正的英雄或者榜样时，或者先贤祠中的名人。
Radar signals can penetrate vapor space containing dust or steam which is problematic for ultrasonic devices.
雷达信号可以穿透包含灰尘或蒸汽的蒸汽空间，这对于超声波装置是有问题的。
Radar signals can penetrate vapor space containing dust or steam which is problematic for ultrasonic devices.
雷达信号可以穿透包含灰尘或蒸汽的蒸汽空间，这对于超声波装置是有问题的。
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