半视场角

半视场角

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angle of half field-of view; semiangular field; half-field angle

angle of half field-of view; semiangular field; half-field angle

пословный:

半视场	视场角
_half field-of-view; semifield	_field angle, field of view angle

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角视场视场角半视界角广角视场镜头视场角视场角象场角镜头的视场角望远镜视场角视场角视野角, 视界角视野角广角准直仪钝角准直仪视场检定仪