表土层的英文

a horizon

ahorizon

epipedon

grass roots

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例句与用法

Actual measure and numerical simulated forecast analysis of dangerous position freeze temperature field of deep topsoil layer
深厚表土层危险层位冻结温度场实测与数值模拟预测分析
The soil layer s thickness was uneven and the earth is not smooth . the soil layers contain many brick fragments
本日试掘表土层，各处堆叠厚度不一，土质粗疏，土层中夹有不少砖块残件。
If the vegetation is damaged on account of the mining or construction , measures must be taken to rehabilitate the topsoil and vegetation , thereby preventing soil erosion
因采矿和建设使植被受到破坏的，必须采取措施恢复表土层和植被，防止水土流失。
Over - grazing and irrigation methods that wash away topsoil were to blame for some of the damage , experts said . building developments and climate change were doing the rest
专家指出,因过度放牧或将表土层完全冲刷的灌溉方式都要对土地沙漠化负责.当然房屋开发和气候变化也逃脱不了干系
( 4 ) we defined ssee factor ( surficial soil element enrichment factor ) and wpem factor ( weathering profile element mobility factor ) , and applied them to evaluate the degree of effects of black shales weathering on soil , water bodies and their sediments composition
( 4 )提出了表土层元素富集因子和风化剖面元素迁出因子，用于估算岩石风化对水体及其沉积物、土壤的化学组成影响的程度。