卫星将主要用于科学试验、国土资源普查、农作物估产和防灾减灾等领域。
It will be mainly used for scientific experiment, land resources survey, crop yield estimates and disaster prevention and reduction, according to the center.
为此，探讨了空间数据仓库的特征、体系结构，对现有农作物估产方法进行了评价。
The paper inquired into the characteristic, system architecture of spatial data warehouse and valued crop yield estimation methods we have now.
结果表明ASAR数据可以广泛应用于多云多雨地区的土地覆盖分类，农作物估产，船只探测和海洋等领域。
The result shows that ASAR data can find a wide use in many fields such as crop growth . monitoring, ocean and ship detection.
总结农作物遥感估产方法，结合海盐生产过程，就盐田遥感估产方法进行探讨。
Summarize the methods to estimating the yield of crop, and discuss the methods to estimating the yield of salt field by remote sensing, combining the process of salt field production.
在大面积农作物遥感估产中，应用气象卫星数据估算种植面积一直是一个难点。
In large area crops yield estimation from remote sensing data, crops planting area estimation with NOAA data remains to be resolved difficultly.
在大面积农作物遥感估产中，应用气象卫星数据估算种植面积一直是一个难点。
In large area crops yield estimation from remote sensing data, crops planting area estimation with NOAA data remains to be resolved difficultly.
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