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 共轭轴
 conjugate axis
 Found a kind of internal relation between the center projection and the parallel projection, under the center projection, the circle is changed into ellipse, but it can't decide the relation between the conjugate axis or major axis and minor axis of ellipse, which can be solved by this theorem. 在中心投影和平行投影之间建立一种对应关系，在中心投影下把圆变成椭圆，但是不能确定椭圆的共轭轴或长轴与短轴的位置和长度，该定理解决了这个问题。 短句来源
 conjugate axial
 The key-techniques of the electrical eddy current method used in automatic cracks inspection instrument of bearing roller surface are discussed. The simple and quick mathematical model is set up by application of the helical conjugate axial theory. 针对轴承圆锥滚子表面裂纹涡流自动检验仪中圆锥滚子表面展开这一关键问题，应用螺旋共轭轴理论，建立了一种快速、简便的数学模型； 短句来源
 “共轭轴”译为未确定词的双语例句
 HELICAL CONJUGATE AXIAL THEORY AND ITS APPLICATION 螺旋的共轭轴理论及其应用 短句来源
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 HELICAL CONJUGATE AXIAL THEORY AND ITS APPLICATION 螺旋的共轭轴理论及其应用 短句来源 d. and continued for 14 days. ,共 14d。 短句来源 for 14 days. 共14 d。 短句来源

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 The theorem of ellipse in perspective drawing is introduced in this paper. Found a kind of internal relation between the center projection and the parallel projection, under the center projection, the circle is changed into ellipse, but it can't decide the relation between the conjugate axis or major axis and minor axis of ellipse, which can be solved by this theorem. Theoretically, it provides a new evidence for computer to use program of ellipse avalilable to draw ellipse in perspective drawing. 本文介绍一个关于透视图椭圆的定理。在中心投影和平行投影之间建立一种对应关系，在中心投影下把圆变成椭圆，但是不能确定椭圆的共轭轴或长轴与短轴的位置和长度，该定理解决了这个问题。在理论上，为计算机绘制透视图椭圆时使用现有通用椭圆程序提供了新的根据。 The key-techniques of the electrical eddy current method used in automatic cracks inspection instrument of bearing roller surface are discussed.The simple and quick mathematical model is set up by application of the helical conjugate axial theory.The analytic solution of the meshing point between roller and unfolding roller (or carrier roll)are worked out.By use the results,the accuracy mathemati cal equation is got.The analytic solution equation can provide a useful geometri cal model and a new calculation... The key-techniques of the electrical eddy current method used in automatic cracks inspection instrument of bearing roller surface are discussed.The simple and quick mathematical model is set up by application of the helical conjugate axial theory.The analytic solution of the meshing point between roller and unfolding roller (or carrier roll)are worked out.By use the results,the accuracy mathemati cal equation is got.The analytic solution equation can provide a useful geometri cal model and a new calculation way to design and manufacture the unfolding roll er (or carrier roll)or the superfinishing machine roll. 针对轴承圆锥滚子表面裂纹涡流自动检验仪中圆锥滚子表面展开这一关键问题，应用螺旋共轭轴理论，建立了一种快速、简便的数学模型；推导出圆锥滚子与展开轮之间啮合的数学表达式。得出展开轮螺旋曲面方程的精确解数学表达式。为轴承圆锥滚子表面裂纹自动检验仪展开机构的设计和圆锥滚子超精加工机床展开导轮机构的设计与修磨提供了几何模型和新的计算方法。 On the basis of the graphical solution, the article analyses the geometrical relations and the related data, derives theoretically and puts forward a method to draw directly the conjugate axis. The method is convenient to master, simple to draw and has few errors. 以图解为基础 ,分析空间几何关系 ,进行理论推导和数据分析 ,提出一种垂直圆正等轴测图的画法直接绘制共轭轴法 ,该方法便于掌握 ,误差小 ,作图简便
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