资料来源 : pyDict

准直

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Collimate \Col"li*mate\, v. t. [imp. & p. p. {Collimated}; p. p.
   & vb. n. {Collimating}.] [See {Collimation}.] (Physics &
   Astron.)
   To render parallel to a certain line or direction; to bring
   into the same line, as the axes of telescopes, etc.; to
   render parallel, as rays of light.