In each position compare the test area with the surface of the reference area.
在每一个位置把测试区域与参考区域的表面做比较。
Objective To find out the differences of body surface area between Tujia and Miao students, and to provide reference for making a health appraisal system for students' growth and development.
目的比较土家族和苗族城镇中小学生体表面积的差异，为建立中小学生生长发育健康指标评价体系标准提供依据。
Which provides design reference and engineering parameters for the light weight steel portal frame construction to be used in earth surface deformation area.
为在地表变形地区采用轻钢门式刚架结构提供了设计依据和工程参数。
Then triangulation is used for the calculation of a polygon's surface area, and viewshed analysis is carried out using the method of reference plane.
设计方案中对已有的数字高程模型进行加密内插，使用三角化方法来计算地表曲面面积，采用参考平面法实现区域通视分析。
If radon measurement is available for the surface conditions in mining area, the establishment of the abnormal pattern can provide a reference for the radon measurements of similar mines.
若矿区地表条件适合氡气测量，该异常模式的建立能为更多需要开展氡气测量的矿区提供借鉴。
If radon measurement is available for the surface conditions in mining area, the establishment of the abnormal pattern can provide a reference for the radon measurements of similar mines.
若矿区地表条件适合氡气测量，该异常模式的建立能为更多需要开展氡气测量的矿区提供借鉴。
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