brown bk 中文意思是什麼
brown bk
解釋
布朗淺灘-
In the weihe valley, the environmental effect of the summer monsoon on the south is much stronger than that on the north in the holocene megathermal, which is result forming deferent structure of paleosoil ( so ) at the mjy - a site and the wsc site : at the mjy - a she, the paleosoil ( so ) belongs to typical semiarid grasslands soil - heilu soil with apb - ah - bk - c soil sectional structure ; at the mjy - a site, the paleosoil ( so ) belongs to typical semi7humid forest soil - brown soil with ah - b1 - ck - c soil sectional structure
具體表現在合水與戶縣大暖期強成壤階段形成的古土壤（ s 。 ）剖面構型上：北部古土壤為典型的半乾旱草原土壤一黑爐土，具有apb叭hek （土壤剖面構型：南部戶縣剖面古土壤（ s 。 ）為典型的半濕潤森林土壤一褐土，其so具有ah bt ck c土壤會面構型。
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