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机译:Evidence for periodic variations in the thickness of Saturn's nightside plasma sheet
Planetary Sci Inst, Tucson, AZ USA;
Univ Southampton, Dept Phys & Astron, Southampton, Hants, England;
Univ Leicester, Dept Phys & Astron, Leicester, Leics, EnglandUniv Michigan, Climate & Space Sci & Engn, Ann Arbor, MI 48109 USAUniv Calif Los Angeles, Earth Planetary & Space Sci, Los Angeles, CA USA;