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本文作者从选择和采用那些可以用到新南威尔士州土壤侵蚀研究中的观点出发探讨了在美国常用的技术和研究方法.
The authors have explored the techniques and research methods commonly used in the United States from the point of view of selecting and using those that can be used in the study of soil erosion in New South Wales.