| 单词 | soil survey |
| 释义 | > as lemmassoil survey soil survey n. a systematic examination and mapping of the different kinds of soil present in a region or on a site; a report of the results so obtained; a body of people engaged in such work. ΘΚΠ the world > the earth > earth sciences > soil science > [noun] > report soil survey1900 1900 Yearbk. U.S. Dept. Agric. 1899 26 A detailed soil survey has been undertaken of the soils of Maryland. 1924 F. E. Bear Soil Managem. vii. 56 In the Illinois soil survey, silt is defined as a separate the particles in which may vary from 0·03 to 0·001 millimeter in diameter. 1966 R. Ashworth Highway Engin. iii. 49 The soil survey involves an exploration of the soil conditions along the proposed road alignment by means of boreholes or trial pits. 1972 J. G. Cruickshank Soil Geogr. i. 23 Some of the later private surveys have..introduced soil terms and definitions adopted later by the national soil surveys. < as lemmas |
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