| 单词 | form-line |
| 释义 | > as lemmasform-line form-line n. Cartography (usually plural) lines drawn on a map to indicate the estimated configuration or elevation between the contour lines. ΘΚΠ the world > the earth > earth sciences > geography > map-making > map > [noun] > line on map > contour or form line contour1840 contour line1844 form-line1935 1935 Geogr. Jrnl. 86 253 The topography sketched in by the use of formlines at intervals of approximately 200 feet. 1951 F. Stark Beyond Euphrates 231 I am still in hectic work over my map, which has to have all the heights and form-lines fixed by Tuesday. 1961 L. D. Stamp Gloss. Geogr. Terms 125/1 Many cartographers are careful to draw a distinction between ‘contours’ which are based on instrumental survey and ‘form-lines’ which are sketched in from general observations. < as lemmas |
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