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。)
We continued tracking the plane on our radar.(我们继续用雷达追踪那架飞机。)
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。)
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。)
They located the ship by radar.(他们通过雷达确定了船只的位置。)
The issue of terrorism is back on the radar screen.(恐怖主义问题重新受人关注。)
The ship's radar scanned the sea ahead.(船上的雷达扫描了前方海域。)
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。)
All modern vessels of any size are fitted with radar installations.(所有现代化船只，不论大小，都装有雷达装置。)
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。)
