(a) Surveying a straight line from one station (sense 6a) to the next (now rare); †(b) Perspective a vertical line through the point of sight (obs…
| 单词 | θ7389 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > a survey line (10) station line1658 (a) Surveying a straight line from one station (sense 6a) to the next (now rare); †(b) Perspective a vertical line through the point of sight (obs… survey line1889 A line along which the measurements and observations are made in a survey. Subcategories:— a base line (4) — traverse line (2) — line for checking accuracy (1) — tangent at end of curve (1) |
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