theory n. 1.理論,學(xué)理,原理。 2.學(xué)說(shuō),論說(shuō) (opp. hypothesis)。 3.推測(cè),揣度。 4.〔口語(yǔ)〕見(jiàn)解,意見(jiàn)。 the theory of two points 兩點(diǎn)論。 Darwin's theory of evolution 達(dá)爾文的進(jìn)化論。 theory of equations 【數(shù)學(xué)】方程論。 theory of everything 【物理學(xué)】(把相對(duì)論、量子論和宇宙大爆炸理論都包括在內(nèi)的)萬(wàn)用理論。 theory of relativity 【物理學(xué)】相對(duì)論。 the atomic theory 原子說(shuō)。 Our scheme is good both in theory and in practice. 我們的方案在理論上和實(shí)施上都是好的。 combine [separate] theory with [from] practice 理論結(jié)合[脫離]實(shí)際。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意見(jiàn)是我們學(xué)院應(yīng)該通過(guò)重用年輕一些的人來(lái)注入新的血液。 theory of games 博弈論,對(duì)策論,權(quán)衡利弊得失的形勢(shì)分析。
surface n. 1.表面;地面;水面;廣場(chǎng),空地。 2.外觀,外表,皮毛。 3.【幾】面;切口;【航空】翼面。 adj. 表面的;地面的,水面的;外觀的,外表上的;(對(duì)高架及地下鐵路說(shuō)的)平地上的;(對(duì)礦井內(nèi)說(shuō)的)礦井外的。 an adjusting surface 【航空】調(diào)節(jié)板。 a supporting surface 【航空】支持面積。 a plane surface 平面。 surfaces in contact =rubbing surfaces 摩擦面。 look at the surface only 只看外表。 One never gets below the surface with him. 人們無(wú)法看透他的內(nèi)心。 a surface raider 海上突擊艦。 look below [beneath] the surface of things 看到事物的內(nèi)部。 of the surface 外觀上的,表面的。 on the surface 表面上,外表上。 vt. 為…裝面[配面],對(duì)…作表面處理;使成平面;掘開(kāi)…的地面;鋪(路面);使(潛艇)浮出水面。 vi. 地面采掘,井外勞動(dòng);浮出水面。
The theory of surfaces made a slow start. it began with the subject of geodesics on surfaces . 曲面理論也經(jīng)歷了一個(gè)漫長(zhǎng)的開(kāi)端,曲面理論是從曲面上的測(cè)地線的研究開(kāi)始的。
Based on the theories of surface panel method , the mathematical models for the hodong propeller are established in this paper 本文首先基于面元法理論建立了hudong型螺旋槳水動(dòng)力性能預(yù)報(bào)的數(shù)學(xué)模型,并用對(duì)其進(jìn)行了數(shù)值計(jì)算。
This paper introduces mathematical theory of surface splinefunction , and analyses its application in dtm , namely spatial interpolation , calculation of slope and direction etc 本文介紹了曲面樣條函數(shù)的數(shù)學(xué)原理,分析了其在dtm中的應(yīng)用方法,即可用于空間內(nèi)插和坡度、坡向分析。
The fundamental theory of surface reconstruction is further discussed which leads to the finding that there are some disadvantages in bezier and nurbs . so both bezier and nurbs are chosen as the fundamental methods to achieve surface reconstruction 對(duì)曲面重建基本原理進(jìn)行深入分析,針對(duì)b zier方法和nurbs方法的各自特點(diǎn),在系統(tǒng)中選擇b zier和nurbs兩種方法作為系統(tǒng)軟件曲線曲面重構(gòu)的基本方法,并實(shí)現(xiàn)曲面重構(gòu)。
After analysing functions and basic theory of surfacer and studying key technology of object reverse engineering of complex parts , author expatiates data capture , data processing and surface reconstruction and summarizes methods and steps of surface reconstruction . by applying reverse engineering technology to wheel , author achieves wheel 3d geometrical model reconstruction and establishes the basis of further design of succedent cad / cam systems 本文通過(guò)對(duì)逆向工程軟件surfacer的功能和基本原理的分析,研究了復(fù)雜曲面實(shí)物逆向工程的關(guān)鍵技術(shù),對(duì)逆向工程中的數(shù)據(jù)獲取、數(shù)據(jù)處理和曲面重構(gòu)技術(shù)進(jìn)行了詳細(xì)闡述,總結(jié)了surfacer在曲面重構(gòu)中的方法、步驟和技巧。