您要查找的是不是:
- An intersecting line;a transversal. 截線;橫截線
- An intersecting line; a transversal. 截線;橫截線
- In spatial analytic geometry,a spatial curve is an intersecting line of two curved surfaces. 在空間解析幾何中,空間曲線是兩曲面的交線,在空間曲線中消去一元,即得投影柱面。
- Line AB intersects line CD at E. ab和cd兩線相交於e點。
- The drawn intersecting line is similar to the shape of its theoretical projection and can satisfy the require ment of engineering drawings. 所繪交線與理論形狀的投影作圖十分接近,可以滿足工程製圖的要求。
- By the solution of the model,a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting li. 通過對此數學模型的求解,導出了相交雙管相貫線上各點局部二面角的計算公式,給出了相交雙管裝配接觸線的參數方程,並解釋了其數學本質。
- This paper introduces the drawing method of utilizing center projection to make the common position and the declined intersecting line of the declined cone. 介紹了用投影法求作一般位置平面與斜錐體的截交線的作圖方法,供同行參考。
- 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. 本文通過可展曲面的微分不變數,導出可展面的曲率線與曲率特徵,並以錐面和切線曲面為例闡明這些特性的幾何意義。
- 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. 闡述一種計算機數控相貫線切割機的軌跡控制原理及數控軟體設計,採用數字積分直線插補演算法來實現相貫線切割機的軌跡控制。
- 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. 摘要主要討論了平面解析幾何中和空間解析幾何兩相交直線夾角平分線方程及空間直角坐標系下兩相交平面的二面角的角平分面方程。
- 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語言,對大型管道焊接件的正交相貫線坡口(三維曲線)的加工進行數控編程,有效地提高了數控工藝員的工作效率。
- 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. 摘要提出了一種新的基於TDOA的直線雙曲面相交法,用於4個測量站對三維空間目標的定位。
- In spatial analytic geometry, a spatial curve is an intersecting line of two curved surfaces.When a variable is eliminated from the spatial curve, its projective cylinder is obtained. 在空間解析幾何中,空間曲線是兩曲面的交線,在空間曲線中消去一元,即得投影柱面。
- This article deals with the orthographic Projections Of intersecting lines of two arbitrary cambers drawn with mathematical resultant. 對任意兩曲面相貫,求作相貫線及特殊點的投影,採用數學上的「結式」.計算準確,不受曲面種類的限制
- 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. 棋盤格,相互交叉的線條,如地圖的網路系統,在這種系統內部分或全部球體或別的球面被顯示為一個平面。
- This non sequitur invalidates his argument. 他不根據前提推理因而論證無效。
- The lines AB and CD intersect at E.; The line AB intersects line CD at E. AB與CD兩直線相交於E點。
- 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. 棋盤格相互交叉的線條,如地圖的網路系統,在這種系統內部分或全部球體或別的球面被顯示為一個平面
- 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. 在斷層區域內,根據求得的地層斷層交線,分別將斷層上盤和下盤建立三稜柱體元。
- Patience is a sine qua non for a good teacher. 做個優秀教師必不可少的條件是要有耐心。