折线测设
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polygonal line setting
多边形线条设置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Principles and calculation method were described of polygonal line setting and positioning of new sample plot. Application programme was appropriate for field work and could increase work efficiency.
叙述了新设样地折线测设定位方法的原理及计算方法，编制了适合于外业调查使用的计算应用程序。
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