com·par·a·tor /kəmˈpærətɚ/
  比較儀
  com·par·a·tor /kəmˈpærətɚ/ 名詞
  比色器
  comparator
  比較器
  comparator
  比較器
  Com·pa·ra·tor n.  Physics An instrument or machine for comparing anything to be measured with a standard measure; -- applied especially to a machine for comparing standards of length.
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