Other measures include trailing aerial streamer lines to discourage birds from diving for trailing bait.

其他措施包括拖曳系有彩色飘带的饵绳以阻止鸟类俯冲啄食饵料。

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The Air Force's Tri-Color Arrows acrobatic jets performed an aerial ballet over the base, forming a huge red heart with their exhaust fumes after trailing the red, white and green national colors.

意大利空军三色箭特级飞行队在用烟雾拉起了红白绿三种国旗上的颜色后，又用红色烟雾在基地上空组成了一个巨大的红心图案。

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Eight jets from the Patrouille Acrobatique de France, an aerial display team, flew overhead trailing the NATO colors of blue and white.

CNN: Obama pleased with NATO allies' pledges of Afghan support