类别 Engineering
Created by: zblagojevic
Number of Blossarys: 5
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Stone or concrete pillar that marks a true place of trigonometric points.
A submarine contour, on a marine map or chart, joins points of equal elevation (height) below mean sea level.
A contour line, on a marine map or chart, joins points of equal elevation (height) below mean sea level.
Survey pole, signal (USA), object or structure located at or near a survey station and used as a sighting point оr target for survey measurements.