polygonal line

基本解释

It adopts horizontal collocation and a new type of polygonal line slot drum, which resolves the defect of the existing hoisting mechanism, so that the hosting mechanism can wok stably and reliably.
阐述了优化设计在塔式起重机新型起升机构产品开发中的作用，该机构采用一字形布置和新型折线槽卷筒，解决了现行起升机构的缺陷，保证起重机械稳定可靠工作。
This paper analyzed the character of sketch curve and developed the concept of principal curve of sketch curve, and provided an adaptive algorithm by polygonal line for approximating principal curve.
分析了徒手画曲线的性质，提出了徒手画曲线的主曲线概念，并提供了一种搜索该主曲线的折线逼近算法，自适应地得到主曲线；
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。