A line which forms or represents a base; a line drawn along or around the base of something. Also: a line forming a basis for measurement or…
| 单词 | θ7390 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > a survey line > a base line (4) baseline?1556 A line which forms or represents a base; a line drawn along or around the base of something. Also: a line forming a basis for measurement or… headline1656 Chiefly North American. As two words. A boundary line taken as a reference line, esp. in describing an adjoining parcel of land. Now rare. base1761 Surveying. A line whose exact length and position are accurately determined, and which is used as a basis for trigonometrical observations and… datum1795 Chiefly Surveying. A line, point, etc., forming a basis for measurement; a baseline, benchmark, or reference point; = base, n.1 19a. Frequently attrib… |
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