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词汇 metre-angle
释义

Definition of metre-angle in English:

metre-angle

(US meter-angle)
noun
Optics
  • A unit of convergence equal to the angle between the line of sight of either eye and the median line passing between them when they are focused on a point on that line one metre away.

Origin

Late 19th century. After German Meter-winkel.

Definition of metre-angle in US English:

metre-angle

(US meter-angle)
noun
Optics
  • A unit of convergence equal to the angle between the line of sight of either eye and the median line passing between them when they are focused on a point on that line one metre away.

Origin

Late 19th century. After German Meter-winkel.

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