Материал Үйл ажиллагааны урсгал Үйл ажиллагааны төрөл All activity types New Package Changed Package Deleted Package Follow Dataset New Resource View Changed Resource View Deleted Resource View admin created the өгөгдлийн бүрдэл Secondary planetary waves in the middle and upper atmosphere following the stratospheric sudden warming event of January 2012 3 сарын өмнө