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 Unusually long lasting multiple penetration of interplanetary electric field to equatorial ionosphere under oscillating IMF Bz 1 сарын өмнө