资料来源 : pyDict

视距计; 手操测距仪; 小型六分仪

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

Stadimeter \Sta*dim"e*ter\, n. [Stadium + -meter.]
   A horizontal graduated bar mounted on a staff, used as a
   stadium, or telemeter, for measuring distances.