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意思解释:(Subsoil)表土层和心土层下面的第三层土壤,土质紧密。
心土层下面的一层质地紧密的土壤。1916年何述曾《土壤学》第一编:“土壤表层称表土。其下层异质土壤,称心土或底土。”1941年谌亚达译《中国区域地理》第十五章:“底土,subsoil。”…
The soil with a close together quality of a material below subsoil layer. 1916 He Shuceng agrology the first make up: Ba Liao hot Yu angries Shi Liao of saute of quarrel of captive of Mian of F of ticket Qiao dysentery breaks through Pu to be able to bear or endure dysentery of Liang Meng Zi! 941 year Chen Yada interpret is Chinese area geographical : of the 15th chapter Ubsoil of of dark Zi bead. ...
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