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。
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