Results showed that it was feasible and reliable by using fuzzy sets theory to calculate basin soil erosion load.

实例研究表明，以模糊理论计算流域土壤侵蚀量，理论上是可行的，计算结果是可信的。

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The purplish soil of the warm and humid Sichuan Basin is green with crops in all four seasons, including paddy rice, rapeseed and sugarcane.

四川盆地多为紫色土壤，气候暖湿，农作物可四季生长，盛产水稻、油菜和甘蔗。

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The first basin would be filled with soil and a drain would be located at the bottom to allow leach of nutrients.

上面的盆子装满土并在底部安装向下渗透养分的管子。

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The state Department of Environmental Conservation has conducted studies of the Mohawk River basin since the 2006 flood and has been working on a program involving soil and water conservation districts and the Army Corps of Engineers.

WSJ: Homeowners sue NY over $4.6M in flood damage