| 单词 | vertical interval |
| 释义 | > as lemmasvertical interval vertical interval n. the vertical distance between the heights represented by adjacent contours on a map. ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > distances measured between points or lines easting1652 northing1652 southing1652 westing1652 offset1725 vertical interval1885 horizontal equivalent1889 tangent distance1983 1885 G. W. Usill in H. S. Marrett Pract. Treat. Land & Engin. Surveying (ed. 4) 320 In this way a table may be calculated showing the horizontal equivalents for the required vertical interval at each degree of slope up to about 30°. 1969 G. C. Dickinson Maps & Air Photographs iv. 62 Although contours are widely understood several aspects of their significance are not always fully appreciated. For example their effectiveness in representing terrain is closely controlled by the vertical interval. < as lemmas |
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