扰动土壤 meaning in Chinese

disturbed soil
remolded soil

The results show that the majority of 7be is retained in the top one centimeter of soils , and the concentration of 7be decreases exponentially with soil depth . for the cultivated study field , the depth distribution of 7be is very similar to the undisturbed site when it is n ' t subjected to erosion or deposition . for the undisturbed , there is abroad peak in the 137cs profile close to the surface and the maximum concentration is found circa 2 cm below the surface
~ ( 137 ) cs在未扰动土壤剖面中主要分布在0 5cm范围内，同时在1 3cm的范围出现一个~ ( 137 ) cs的相对富集层，在3cm以下随土壤深度的增加呈指数递减的趋势； ~ ( 137 ) cs在农耕地土壤剖面中主要分布在0 20cm范围内，由于耕作活动的不断扰动~ ( 137 ) cs的剖面分布相对均匀。