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单词 bilateral symmetry
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bilateral symmetry, [Biol.]
  1. Developmental Biology, Biologya basic body plan in which the left and right sides of the organism can be divided into approximate mirror images of each other along the midline. Cf. radial symmetry.
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
bilateral symmetry n
  1. the property of an organism or part of an organism such that, if cut in only one plane, the two cut halves are mirror images of each other
    See also radial symmetry
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