| 单词 | layer system |
| 释义 | > as lemmaslayer system layer system n. Cartography on a map, the representation of land between different heights or contours by different colours or tints that are graded so as to show relief at a glance. ΘΚΠ the world > the earth > earth sciences > geography > map-making > map > [noun] > map colouring > layer system or shading layer system1903 layering1922 layer shading1952 1903 Man. Field Sketching & Reconnaissance (H.M.S.O.) vi. 28 There is also the layer system of showing hills. 1908 Westm. Gaz. 13 Aug. 10/2 Mr. Fisher Unwin has just issued some Ordnance Survey maps... What is known as the ‘layer’ system has been employed. 1953 A. H. Robinson Elem. Cartogr. x. 215/2 The larger the scale, assuming a reasonable degree of contour simplification, the more useful the layer system. 1969 C. B. M. Lock Mod. Maps & Atlases iii. 135 The layer system was not used, but, instead, two printings in purple-grey tones on the shadow side of the hills and one printing in yellow on the illuminated side were added to the standard base map. < as lemmas |
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