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机译:Chemical definition of the mesospheric polar vortex
Univ Colorado, Lab Atmospher & Space Phys, Campus Box 392, Boulder, CO 80309 USA;
Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA;
Univ Alaska Fairbanks, Geophys Inst, Fairbanks, AK 99775 USA;