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slope of cultivated land
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slope of cultivated land
Encyclopedia
农学
耕地坡度
释
slope of cultivated land
耕地坡度
耕地操作面与水平面夹角。反映耕地地表形态、耕地质量、生产条件、水土流失的重要指标之一。是土地调查的重要内容。
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Abomey-Oyo Agreement
A Book of Ceramics
aboral
A. Borel
A. Borel (1923—2003)
aborginal art
Aboriginal and Torres Strait Islander Peoples Recognition Act 2013
Aboriginal Education Council,AEC
aboriginal household
Aboriginal Land Rights(Northern Territory)Act 1976
Aboriginal Office
Aboriginal Peace Plan
Aboriginal Protection and Restriction of the Sale of Opium Act(Qld)
Aboriginal Provisional Government
Aboriginal Reserves
Aboriginal Tent Embassy
Aboriginal Treaty Committee
Aborigines Progressive Association
Abor people
abort
aborted-seeded
abort guidance system
abortion
abortion in domestic animals
abort key
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