单词	surveyor's compass
释义	Surveyor's compass See Circumferentor.- Davies & Peck (Math. Dict.). See also: Surveyor surveyor's compass surveyor's compass [sər′vā·ərz ‚käm·pəs] (engineering) An instrument used to measure horizontal angles in surveying. surveyor’s compass surveyor’s compass An instrument used by surveyors for measuring horizontal angles and for determining the magnetic bearing of a line of sight; consists of a pivoted magnetic needle, a graduated horizontal circle, and a sighting device.
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