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单词 apochromatic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ap•o•chro•mat•ic  (ap′ə krō matik, -ō krə-),USA pronunciation adj. [Optics.]
  1. Opticscorrected for spherical aberration at two wavelengths or colors and for chromatic aberration at three wavelengths.
  • 1885–90; apo- + chromatic
ap•o•chro•ma•tism  (ap′ə krōmə tiz′əm),USA pronunciation n. 
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