常見例句雙語例句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.闡述了優(yōu)化設計在塔式起重機新型起升機構產(chǎn)品開發(fā)中的作用,該機構采用一字形布置和新型折線槽卷筒,解決了現(xiàn)行起升機構的缺陷,保證起重機械穩(wěn)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.分析了徒手畫曲線的性質,提出了徒手畫曲線的主曲線概念,并提供了一種搜索該主曲線的折線逼近算法,自適應地得到主曲線;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.敘述了新設樣地折線測設定位方法的原理及計算方法,編制了適合于外業(yè)調(diào)查使用的計算應用程序。 返回 polygonal line