alidad

英[ɑːliː'deɪd] 美[ɑːliː'deɪd]
  • n.指方规;照准仪
alidad
Noun:
  1. surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments

  2. surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles

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