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单词 plano-spherical
释义

Definition of plano-spherical in English:

plano-spherical

adjective
  • Planoconvex, with the convex side having spherical curvature.

Origin

Mid 18th century; earliest use found in Thomas Birch (1705–1766), compiler of histories and biographer.

 
 

Definition of plano-spherical in US English:

plano-spherical

adjective
  • Planoconvex, with the convex side having spherical curvature.

Origin

Mid 18th century; earliest use found in Thomas Birch (1705–1766), compiler of histories and biographer.

 
 
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更新时间:2024/11/10 16:27:33