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单词 θ7414
释义
the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments (73)

Subcategories:

— for finding observer's position (3)
— for the rapid location of points on a survey (2)
— for determining directions (1)
— for taking bearings (2)
— for laying off lines at right angles (2)
— for measuring distances (2)
— for levelling (2)
— for measuring angles (14)
— for triangulation (1)
— for measuring inclination or gradient (5)
— for measuring and drawing distant areas (1)
— staff or pole (9)
— chain (7)
— rule (3)
— instrument used to support a plumb-line (1)
— other surveying instruments (9)
— part of a surveying instrument (9)
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更新时间:2025/4/2 0:21:45