例句與用法

1. The method , firstly , grids the precipitation amount by conicoid , then judges and traces isoline and brings forward a way of how to avoid connection uncertainty of isoline
   該方法首先用二次曲面對(duì)不規(guī)則站點(diǎn)雨量進(jìn)行格網(wǎng)化，然后在格網(wǎng)上對(duì)等雨量點(diǎn)進(jìn)行判斷、追蹤以及在追蹤過程中如何消除追蹤的二義性。
2. The contents in this course include space right - angle coordinate system , vector ; hood face and its equation , curve and its equation , plane and its equation , beejine and its equation , conicoid
   課件的教學(xué)內(nèi)容包括空間直角坐標(biāo)系、向量、曲面及其方程、空間曲線及其方程、平面及其方程、空間直線及其方程、二次曲面。
3. The problems include catmull - clark subdivision surfaces ca n ' t precisely represent standard conicoid except paraboloid , and it ca n ' t modify the shape of limited surfaces when the original control mesh be given
   如： catmull - clark細(xì)分曲面無法精確表示除拋物面外的常規(guī)二次曲面；在給定初始控制網(wǎng)格的情況下，難以調(diào)整所生成曲面的形狀等。
4. The interface and concrete operations of the prototype system and results of machining features recognition are illustrated by examples , in which there is a typical shaft , a 2 . 5d part without conicoid and a 2 . 5d part with conicoid
   分別以一個(gè)典型的軸類零件,一個(gè)不具有二次曲面的2 . 5維零件,以及一個(gè)具有二次曲面的2 . 5維零件為例,介紹了原型系統(tǒng)的界面和加工特征識(shí)別的具體過程及識(shí)別的最終結(jié)果。
5. As it can be expressed easily by argument equations , we use the conicoid as the criteria of points " classification . based on the point ' s normal and the adjacent field , corresponding to the conicoid equation such as plane , ball and cylinder , we search the points that fit the equation along the adjacent field . using this method , we realized the automatic classification of unorganized points
   本文采用了可以比較方便地用參數(shù)方程表示的二次曲面作為數(shù)據(jù)點(diǎn)的分類標(biāo)準(zhǔn)，根據(jù)點(diǎn)的法向量以及其鄰域結(jié)點(diǎn)的各種屬性，對(duì)應(yīng)于平面、球面、柱面等二次曲面，依據(jù)曲面方程的特點(diǎn)，從起始點(diǎn)開始沿鄰域深度優(yōu)先遞歸尋找符合方程的數(shù)據(jù)點(diǎn)，實(shí)現(xiàn)了散亂數(shù)據(jù)點(diǎn)的自動(dòng)分類。