极地地形符合
polar topographic coincidence
生长季节地上平均生产量
aboveground average growth season production
热带北半球夏季季节内振荡(BSISO)
boreal summer intraseasonal oscillation(BSISO) over tropics
《极地防污染证书》
arctic pollution prevention certificate
10 hPa极地涡旋环流指数
Circulation indices of polar vortex at 10 hPa