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单词 magnetosphere
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mag•ne•to•sphere  (mag nētə sfēr′),USA pronunciation n. [Astron.]
  1. Astronomythe outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Cf. magnetopause. 
  2. Astronomysuch a region of another planet:Jupiter's magnetosphere.
  • 1955–60; magneto- + -sphere
mag•ne•to•spher•ic  (mag nē′tə sferik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
magnetosphere /mæɡˈniːtəʊˌsfɪə/ n
  1. the region surrounding a planet, such as the earth, in which the behaviour of charged particles is controlled by the planet's magnetic field
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