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单词 n-shell
释义

WordReference Random House Unabridged Dictionary of American English © 2024
N-shell  (enshel′),USA pronunciation n. [Physics.]
  1. Physicsthe fourth shell of electrons surrounding the nucleus of an atom and containing, when filled, 32 electrons having principal quantum number 4. Cf. K-shell, L-shell, M-shell. 
  • 1920–25

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更新时间:2024/9/21 10:53:49