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通过对椭球面积的计算公式与第一次土地利用现状调查的作业方法和精度评估作比较,对线状地物和零星地物的数学模型和作业方法进行分析,对各种面积的优缺点进行分析总结,提出改进的方向和利用方向。 更多还原

【Abstract】 This paper analyzed working method and mathematical models of line and sporadic feature, summary the advantages and disadvantages of various area proposed the improving and using direction, by Comparison between calculation formula of ellipsoid area and working method and precision assessment in the first land using status investigation. 更多还原