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- An intersecting line;a transversal. 截線(xiàn);橫截線(xiàn)
- An intersecting line; a transversal. 截線(xiàn)；橫截線(xiàn)
- 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(xiàn)是兩曲面的交線(xiàn),在空間曲線(xiàn)中消去一元,即得投影柱面。
- Line AB intersects line CD at E. ab和cd兩線(xiàn)相交于e點(diǎn)。
- 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(xiàn)與理論形狀的投影作圖十分接近，可以滿(mǎn)足工程制圖的要求。
- 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(guò)對此數學(xué)模型的求解,導出了相交雙管相貫線(xiàn)上各點(diǎn)局部二面角的計算公式,給出了相交雙管裝配接觸線(xiàn)的參數方程,并解釋了其數學(xué)本質(zhì)。
- 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(xiàn)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(guò)可展曲面的微分不變量,導出可展面的曲率線(xiàn)與曲率特征,并以錐面和切線(xiàn)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(xiàn)切割機的軌跡控制原理及數控軟件設計，采用數字積分直線(xiàn)插補算法來(lái)實(shí)現相貫線(xiàn)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(xiàn)夾角平分線(xiàn)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(yǔ)言,對大型管道焊接件的正交相貫線(xiàn)坡口(三維曲線(xiàn))的加工進(jìn)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于TDOA的直線(xiàn)雙曲面相交法，用于4個(gè)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(xiàn)是兩曲面的交線(xiàn)，在空間曲線(xiàn)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(xiàn)及特殊點(diǎn)的投影，采用數學(xué)上的“結式”．計算準確，不受曲面種類(lèi)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(pán)格，相互交叉的線(xiàn)條，如地圖的網(wǎng)絡(luò )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(gè)平面。
- This non sequitur invalidates his argument. 他不根據前提推理因而論證無(wú)效。
- The lines AB and CD intersect at E.; The line AB intersects line CD at E. AB與CD兩直線(xiàn)相交于E點(diǎn)。
- 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(pán)格相互交叉的線(xiàn)條，如地圖的網(wǎng)絡(luò )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(gè)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(xiàn)，分別將斷層上盤(pán)和下盤(pán)建立三棱柱體元。
- Patience is a sine qua non for a good teacher. 做個(gè)優(yōu)秀教師必不可少的條件是要有耐心。
