Other measures include trailingaerial 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。
2
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.