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- An intersecting line;a transversal. 截线;横截线
- An intersecting line; a transversal. 截线；横截线
- This article deals with the orthographic Projections Of intersecting lines of two arbitrary cambers drawn with mathematical resultant. 对任意两曲面相贯，求作相贯线及特殊点的投影，采用数学上的“结式”．计算准确，不受曲面种类的限制
- In spatial analytic geometry,a spatial curve is an intersecting line of two curved surfaces. 在空间解析几何中,空间曲线是两曲面的交线,在空间曲线中消去一元,即得投影柱面。
- A system of intersecting lines,such as the grid of a map,on which part or all of the globe or another spherical surface is represented as a plane surface. 棋盘格，相互交叉的线条，如地图的网络系统，在这种系统内部分或全部球体或别的球面被显示为一个平面。
- Line AB intersects line CD at E. ab和cd两线相交于e点。
- A system of intersecting lines, such as the grid of a map, on which part or all of the globe or another spherical surface is represented as a plane surface. 棋盘格相互交叉的线条，如地图的网络系统，在这种系统内部分或全部球体或别的球面被显示为一个平面
- According to fault intersecting lines acquired, tri-prism volume elements are constructed for the hanging wall and footwall hanging wall respectively in the fault region. 在断层区域内，根据求得的地层断层交线，分别将断层上盘和下盘建立三棱柱体元。
- The drawn intersecting line is similar to the shape of its theoretical projection and can satisfy the require ment of engineering drawings. 所绘交线与理论形状的投影作图十分接近，可以满足工程制图的要求。
- The principle of trace control for intersecting lines is introduced.The error analysis and the software design which improves the quality of interpolation are described. 提出了数控加工相贯线的轨迹控制原理,分析了加工误差,并对提高插补质量的控制软件设计作了介绍。
- By the solution of the model,a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting li. 通过对此数学模型的求解,导出了相交双管相贯线上各点局部二面角的计算公式,给出了相交双管装配接触线的参数方程,并解释了其数学本质。
- The lines AB and CD intersect at E.; The line AB intersects line CD at E. AB与CD两直线相交于E点。
- This paper introduces the drawing method of utilizing center projection to make the common position and the declined intersecting line of the declined cone. 介绍了用投影法求作一般位置平面与斜锥体的截交线的作图方法,供同行参考。
- The formula of the curve tangent slope at some peculiar point in the orthograph on the stereoscopic surface intersecting line and the method of making tangent are given as well. 本文通过可展曲面的微分不变量,导出可展面的曲率线与曲率特征,并以锥面和切线曲面为例阐明这些特性的几何意义。
- Aim at lacking a kind of method for drawing intersecting lines efficiently in the petrochemical engineering construction, invented a kind of compasses that can draw the opening curve on the non-flat container wall. 摘要针对石油化工设备建造中，缺乏一种高效的器壁开孔画曲线方法的问题，研制了一种能在非平面器壁上画开孔曲线的画线规。
- The principle of a CNC cutting machine for intersecting line and the design of CNC software are introduced which incorporates the integral linear interpolation algorithm to achieve the trace control of a intersecting line cutting machine. 阐述一种计算机数控相贯线切割机的轨迹控制原理及数控软件设计，采用数字积分直线插补算法来实现相贯线切割机的轨迹控制。
- In the paper, we discuss the equation about angle bisector of intersecting line in the analytic geometry and the equation about the bisection planes of dihedral angles in analytic geometry of three dimensions. 摘要主要讨论了平面解析几何中和空间解析几何两相交直线夹角平分线方程及空间直角坐标系下两相交平面的二面角的角平分面方程。
- The lines AB and CD intersect at E. 直线AB与直线CD相交於E点。
- By making good use of the QBASIC Language,for large sized tube welding,the numerical controlled program for making the perpendicular intersecting line(tri-dimensional) notch for welding is performed. 利用QBASIC语言,对大型管道焊接件的正交相贯线坡口(三维曲线)的加工进行数控编程,有效地提高了数控工艺员的工作效率。
- A new method employing the intersecting line and hyperboloid is presented which is based on the TDOA measurement and can locate the object in three dimensions with four receiving stations. 摘要提出了一种新的基于TDOA的直线双曲面相交法，用于4个测量站对三维空间目标的定位。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
