阅兵飞行训练正值所处地区幼鸟出巢期，鸟类活动愈加频繁，保障压力大。为了护航空中梯队，空军开发出驱鸟"三宝"——猎鹰、猕猴和猎犬。

The dog drives the birds resting on the ground into the sky and then lets the falcons take over the next step of the job - a falcon unfurls its wings and flies into the sky to drive away the birds. Macaques rip down bird nests from the trees. The same species of bird won't nest again at the same spot after the monkey tears its home apart.

猎犬先将草丛中栖息的鸟类驱赶到空中，再由猎鹰"出马"——展翅翱翔的猎鹰将鸟类驱散。猕猴负责上树拆除鸟巢。猕猴所拆过鸟窝的位置，同一种群的鸟类再也不会在同一位置打窝。

【阅兵'好声音'炼成记】

It is learned that 315 engineers are responsible for the sound effect of the grand parade to mark the 70th anniversary of victory in the People's War of Resistance against Japanese Aggression. They placed more than 300 microphones, 62 sound base stations, 38 sound consoles and 140 mobile loudspeaker boxes in Tian'anmen Square and districts along the Chang'an Avenue. The various kinds of sound on the site of parade are more complicated than ever, making sound collecting a hard job.

据了解，此次抗战胜利70周年阅兵，共有315名工程师承担阅兵声音保障任务。他们在天安门广场以及长安街区域布设了300多支话筒、62个声音基站、38个调音台及140只流动音箱。此次阅兵现场声音种类的繁杂是前所未有的，使得声音收集工作变得非常复杂。

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