Second, we did some radar imaging from satellites over Venus.
第二，我们用金星上空的卫星做了雷达成像。
Why is it that my radar showed you are going 45?
为什么我的雷达显示你的速度是45？
Then, why is it that my radar showed you are going 45?
那为什么我的雷达显示你的速度是45？
It is technically incorrect to talk about bat "radar", since they do not use radio waves.
蝙蝠“雷达”这个用语在技术上是错误的，因为它们不使用无线电波。
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。
The fact the plane has not appeared on radar when it neared land gives me cause for concern.
这架飞机在接近着陆时没有出现在雷达上的事实让我感到担忧。
By the early hours of the following morning, on Feb 25, military radar detected an unidentified flying object 120 miles offshore approaching the coastline.
在2月25日清晨的早些时候，军用雷达探测到了距海岸线120英里的一架不明飞行物正在接近海岸线。
In fact, we kind of assumed that they were filtering a lot out, the way a sophisticated radar system can ignore echoes from stationary objects on the ground.
事实上，我们推断蝙蝠在分析回声时过滤掉了很多因素，就像一个复杂的雷达系统可以忽略地面上静止物体的回声那样。
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。
Many people think that ATC consists of a row of controllers sitting in front of their radar screens at the nation's airports, telling arriving and departing traffic what to do.
许多人认为，空中交通管制系统是由一排坐在美国机场雷达屏幕前的管制员组成的，他们告诉到达和离开的航班该做什么。
In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
在20世纪40年代，空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯，但是这个系统还处于初级阶段。
Reasonably accurate for the time, that is quite close to today's value of 149,597,870 km, determined by radar, which has now superseded transits and all other methods in accuracy.
那个数值与今天雷达测定的149,597,870公里相当接近，就当时来说准确度很合理，雷达在精度上已经取代了凌日和其他所有方法。
Archaeologists also may locate buried remains by using such technologies as ground radar, magnetic-field recording, and metal detectors.
考古学家们还可能利用地面雷达、磁场记录和金属探测器等技术来定位被掩埋的遗骸。
In his lifetime, Marconi foresaw the development of television and the fax machine, GPS, radar, and the portable hand-held telephone.
在马可尼的一生中，他预见到了电视、传真机、全球定位系统、雷达和便携式电话的发展。
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。
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。
Radar can be blinded by bad weather, and not all volcanoes are within range of suitable equipment.
恶劣的天气会蒙蔽雷达，且并不是所有的火山都在合适的设备范围内。
At times of completely undercast skies, the anti-aircraft fire was totally inaccurate when radar jamming was employed.
在完全阴天的情况下，采用雷达干扰时，防空火力完全不准确。
The problem of the dipole cloud is an effective scattering cross-section while observed by a monostatic radar was studied.
偶极子云的问题是在通过单基地雷达观测时有效散射截面。
The aircraft uses the Foxhunter multi-mode air-intercept radar to detect and target hostile aircraft.
该机采用福克斯特多模空中拦截雷达探测和目标敌机。
Our radar pinpointed accurately the attacking planes.
我们的雷达准确地对准来袭的敌机。
This means the radar can see reliably through more layers.
这意味着，该雷达将能可靠的透视更多层障碍。
The radar image shown is actually composed of layers you can download separately.
所示的雷达图像实际上是由可以单独下载的图层组成的。
Sensors that will be linked include radar, infrared and other classified sensors.
可以被连接的传感器包括雷达、红外和其他秘密传感器。
The radar works at night and cuts through clouds.
雷达可在夜间工作，穿透云层。
The system intercepts and automatically processes radar signals and manages the transmitters to effectively jam large Numbers of diverse radar threats.
系统能够拦截并自动处理雷达信号，管理发射机有效干扰大数量的不同的雷达威胁。
At the meeting, Frick and her colleagues described a new Web portal, called Surveillance Of Aeroecology using weather radar, that makes using radar data much easier for biologists.
在会议中，弗里克和他的同事描述了一种新的利用气象雷达的网络，并叫他“空中盯梢”，这将使生物学家更容易获得雷达数据。
Sonar, radar, cameras, and other observation platforms acquire the data.
声纳、雷达、照相机和其他观测平台便可以获得这些数据。
Bonus: the app remembers the user, so next time you load it, NOAA Radar will be ready to display radar for your location.
意外惊喜是：这个应用程式还会记住用户，所以当你下一次登录它的时候，NOAA雷达就会准备好显示你所在位置的雷达。
Bonus: the app remembers the user, so next time you load it, NOAA Radar will be ready to display radar for your location.
意外惊喜是：这个应用程式还会记住用户，所以当你下一次登录它的时候，NOAA雷达就会准备好显示你所在位置的雷达。
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