dialytic telescope

名词 n.
中文释义

英文释义

名词 n.
  1. An achromatic telescope in which the coloured dispersion produced by a single object lens of crown glass is corrected by a smaller concave lens, or combination of lenses, of high dispersive power, placed at a distance in the narrower part of the converging cone of rays, usually near the middle of the tube.

词形变化

dialytic telescopes plural
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