传统县级土地利用调查手段需要耗费大量的人力物力，效率低下。
Traditional means of land use survey at county level costs a great quantity of manpower and material resource, but with low effectiveness.
县级土地利用调查是土地管理的基础性工作，是我国各级土地利用现状准确数据的实际来源。
The survey of land use at county level is the basic work for land management and the actual accurate data resource of land cover in our country.
最终获得的土地利用调查数据具有较高精度和实用价值，能满足我国县级土地利用调查的要求。
The final surveyed data of land use is of high precise and practice and can meet the needs of the land use survey at county level in our country.
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