对目前区域尺度上土壤侵蚀评价的主要研究内容进行了归纳。
The studies of soil erosion assessment on regional scale is reduced to three categories depending on temporal scales.
传统数据采集方法严重制约了土壤侵蚀评价实时、快速的要求。
The traditional data collection method for purpose of soil erosion evaluation can not satisfy the real time and frequent request.
利用遥感技术有助于土壤侵蚀的评价，它可以为土壤侵蚀评价提供所需的空间数据。
Remote sensing contributes to assess erosion, and it can provide the spatial data, which is required by assessing erosion.
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