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单词 ortho-
释义 Combining form: ortho-
  1. (physics) of any molecule in which the two nuclei have parallel spin 
  2. (chemistry) in isomeric benzene derivatives, having the two substituents in adjacent positions (compare meta- and para-) 
  3. (chemistry) having an extra proportion of water 
  4. Straight, right, proper

Encyclopedia: Ortho-

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