NASA hit the challenge hard. The space agency built a bird radar to scan for flocks that could fly through a shuttle?s launch path and pose an impact risk.

NASA下定决心要解决这一问题，宇航局建立了一座鸟类雷达，以扫描航天飞机发射路径上是否有可能造成冲撞的鸟群。

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The text introduces the theory of the radar antenna 's scan wave by adopting the method of using wave width to describe antenna radiate direction FIG.

本文介绍了雷达天线的扫描波束理论，采用了用波束宽度描述天线辐射方向图的方法。

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In the process of MR scan, because patient' s motion affects the collected data, the reconstructed image would contain severe motion artifacts.

在MR扫描过程中患者的自主或非自主运动使获得的采集数据的相位发生偏移，因而重建图像含有运动伪影，严重地影响临床诊断。

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A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

VOA: standard.2010.04.07

Meanwhile, mission specialist Charlie Camarda and pilot Jim Kelly have been continuing to inspect the shuttle for damage sustained during the climb to orbit, using the shuttle's 15m-long boom to photograph and scan Discovery's port wing.

BBC: The two astronauts spent nearly seven hours on the outside

Crist said he hopes to have all the state's touch-screen machines replaced by optical scan systems in time for next year's presidential election.

NPR: Florida Move Would Back Up Electronic Voting

"You can have a patient from the hospital with abdominal pain as an example, and you can run him through every high-tech equipment, CT scan, MRIs -- it's unlimited, " Zelt said.

CNN: Reality check: Canada's government health care system