On the basis of analytic geometry, the projection curve types of intersection lines of cone and cylikder, cone and cone on V plane is hyperbola and cone and sphere is parabola.

基于錐與圓柱满18网站、圓錐黄片·COM、圓球正貫時，相貫線V 面投影為雙曲線和拋物線欧美一级AA大片免费看视频人，且X 向極值點所在高度只與柱十八岁美女一级片、錐軸線、球心距離錐頂高度和立錐錐頂角有關(guān)18岁A级黄色和特级黄色视频，而與它們的直徑無關(guān)特黄AAAAAA一级视频，給出了求該極值點的作圖方法。

A method of right angle auxilliary projection on an arbitrary plane is provided, by which the dihedral angle can be obtained directly.

提供一種在一般位置平面上的直角輔助投射方法九九在线精品国产麻豆，直接求兩面角在线天堂网www官网，具有概念明確唯一，作圖方法簡單日韩欧美爱爱视频，可以適應(yīng)鈑金劃線工作中制造卡角樣板的實際需要国产精品18高潮网站。

The cylinder boxes for the subassemblies of each instrument are set up, and the early warning algorithm for collision of the instruments based on the projection plane is proposed according to the theory that the axes of the two boxes have the common perpendicular line.

建立了機器人手術(shù)器械組件的圓柱體包裝盒，根據(jù)兩個圓柱體包裝盒的軸線段所在直線必定存在公垂線的原理JiZzJiZZ国产免费A片7，提出了基于投影面的機器人手術(shù)器械碰撞預(yù)警算法亚洲ⅴ国产v天堂a无码二区。

Firstly, by using the function of EXCEL software and choosing the appropriate expression to calculate and get positive axis single latitude conic projection plane right-angle coordinates data table and length distortion data table about latitude.

根據(jù)實踐經(jīng)驗，以經(jīng)度97°~108°、WWW4438；緯度23°~34°為研究工區(qū)性交小说在线观看，用正軸切圓錐投影模型為例，介紹利用EXCEL軟件中的公式對地圖制圖中的數(shù)據(jù)進(jìn)行運算處理免费看黄网站在线观看www，求得正軸單緯圓錐投影平面直角坐標(biāo)數(shù)據(jù)表AA级黄色高潮喷液毛片，以及長度變形隨緯度變化的關(guān)系數(shù)據(jù)表。

The limits of integration definite key is needs to determine the range of integration on coordinate plane projection.

積分限的確定重點就是要確定積分區(qū)域在坐標(biāo)面上的投影一级不卡毛片。

One way of describing a projection is to project first from the earth's surface to a developable surface such as a cylinder or cone, followed by the simple second step of unrolling the surface into a plane.

描述地圖投影的一種思路便是：首先將地球表面投影到一個可展面上香蕉网视频在线观看，然后再簡單地將這個可展面展開為一個平面。

Goldschmidt s gnomonic projection,a method of comparison with line and face about the identified visibility of the crystal face on gnomonic plane is given to search hidden line of mineral crystal shape.

根據(jù)圖形消隱的基本原理极品粉嫩福利午夜在线播放，針對心射極平投影的特點国产日韩视频一区，使用線首页一黄色视频、面比較法在極平投影面上判斷晶面的可見性，進(jìn)而消除礦物晶體形態(tài)圖中的隱藏線黄片动图麻豆免费。

B - Projection of outline of component on horizontal plane.

元件輪廓在水平面上之投影黄色18网站。

Curve traced on an imaginary sphere with the source at its center and joining all the points corresponding to those directions in which the luminous intensity is the same, or a plane projection of this curve.

在一個以光源為圓心的虛擬的球面上，將光源射向球體上光強相同的各方向的點用線連接起來大乳美女深夜自慰，就成為等光強曲線老女人喷水毛片。

The intersection point S between this line and the plane is the perspective projection of that point.

這條直線與平面的交點S就是點P的透視投影。