单词：profile soil
profile soil的用法和样例：
例句
- Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile.降雨次数和降雨量是左右溶质在土壤剖面中沉积位置高低的决定性因素。
- Some of the mobilized elements may be reprecipitated at the base of the soil profile.某些移出的养分可能在土壤剖面底层重新沉淀下来。
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