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。

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.

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巴基斯坦空军(PAF)参谋长告诉简氏，巴基斯坦已为制造战斗机用雷达建造了第一座设施。

The chief of staff of the Pakistan air Force (PAF) has told Jane's that Pakistan has built its first facility to manufacture radars for fighter aircraft.

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雷达天线座液压系统中常用到一些特种密封圈。

Some special seal rings were frequently used in hydraulic pressure system of radar antenna pedestal.

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