立體曲線 的英文怎麼說

中文拼音 [xiàn]
立體曲線 英文
solid curve
  • : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
  • : 體構詞成分。
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 立體 : 1 (三維的) three dimensional; stereoscopic2 [數學] (幾何體) solid; body立體彩色電視 three dim...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下: ( 1 )城市旅遊是基於城市的發展而發展的,中國城市旅遊可分為古代、近代、現代和后現代四個階段,分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊,以及邁向信息時代的城市旅遊,其間現出不同的城市旅遊發展特徵; ( 2 )經歷不同發展的時期,中國城市旅遊表現出如下的演進規律: 1 )城市旅遊觀念開放程度逐漸增強,對城市旅遊的容納度日趨加大,對城市旅遊地位的認識從忽視到關注再成為生活的必要因素; 2 )旅遊形式從單一走向多元,新的旅遊形式隨城市發展層出不窮; 3 )城市旅遊的內外部空間聯系從封閉平面走向開放,達到網路化、連綿化、分區化、化布局; 4 )城市旅遊支持系統從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」,表現為低開?高走?平穩發展。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率平移的「同物異譜」現象,對于譜形相似而整反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    ( 2 )足於室內試驗,對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究,又結合前人對巖石流變本構模型的研究成果,分析並確定了適合羅湖破碎帶巖力學特性及地層構造特徵的流變計算本構模型,並對該模型的計算參數進行了擬合研究。
  4. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 )函數的概念,並建了bsc 、 bbc和tbsc 、 tbbc面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc面的構造、表示、性質,特徵、演算法;常用面的bsc 、 bbc表示;基於bsc 、 bbc理論的面的重新參數化方法; bsc 、 bbc理論在面的重新參數化和實造型中的應用。論文分為六個主要部分。
  5. The author analysised and developed primarily some function module like the pavage segment and numbering of stone layed, artistic splice, work sheet made and established the mold with space curve of the hem of a revolving stair handrail. among while the fuction of pavage segment and numbering of laying stone can automatic complete according to the laying area to choose the best program

    該系統中,著重分析和開發了石材鋪設的參數化分割和編號、石材的藝術拼花、石材加工信息在不同軟中的通信即加工單的開、以及旋轉摟梯扶手石材貼片空間的建模等幾個功能模塊。
  6. The basic idea is to predefine a certain set of geometric primitives, such as points, curves, spheres, cubes and deform the specific areas of the objects aligning those of the given geometric primitives

    其基本思想是,預先定義一些幾何基元,如:點、、球,用這些基元作為編輯網格的工具。
  7. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟系統:包括幾何參數設計計算模塊,強度校核模塊,繪制齒面接觸模塊,蝸桿齒厚變化模塊和蝸桿根切判別模塊;開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫,建了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫;開發了平面二次包絡環面蝸桿減速器參數化建模軟:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟模塊。
  8. Six elasticity soft steel combining 3 - d curves trimming design, focusing on abdomen, hips and waist, speeding up the relocation movement, firming the body curves ; for the best result of producting and supporting spin with comfort

    六條式、彈力軟鋼立體曲線剪裁,針對腰部、腹部推移脂肪,修飾腰部及保護支撐腰椎舒適效果。
  9. This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten

    本文結合框架-剪力墻實例,研討了結構系的概念設計和整優化方法。通過建框-剪結構協同工作的微分方程及求解,得出框-剪結構在倒三角形荷載作用下的側移、彎矩、剪力分佈,經分析對比,得出框-剪結構最佳剛度特徵值區間。
  10. Fitting the experimental data into the general effective media ( gem ) equation, a theoretical percolation curve was gained. a mathematical model was proposed which is based on the gem equation and the dilution effect of filler volume fraction due to thermal volume expansion

    使用有效介質普適方程( gem方程)對實驗數據進行擬合,得到導電復合材料的理論滲流,根據gem方程和基積膨脹,建起一個數學模型。
  11. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推導了紊流流場的數學模型,並建了相應的有限元求解格式,應用有限元法分析軟對該系統的紊流流場和溫度場進行了模擬分析:解算出pcb板上各電子元件的溫度分佈;並提出了用於求解系統風道特性的cfd方法。
  12. Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l

    利用改進后的方法對ddmbac的測定建了質量控制系,其標準的相關系數大於0 . 999 ,性良好,精密度和準確度均符合檢測要求,性范圍為0 . 06 ~ 3 . 33mg / l 。
  13. This paper reviews the existing research methods for the water - yielding rules, presents the difference between the lab core and the real reservoir in macroscopic and microscopic geologic characteristics, integrated with the relative permeability curve and the methods for determination of the volumetric conformance efficiency of lab core and the real reservoir, and proposes a new method - conformance efficiency modification method that can be used to determine the theoretic water cut curve of the water drive oilfield

    在總結現有產水規律研究方法的基礎上,從考慮室內巖心與實際油藏宏觀,微觀地質特性差異的角度出發,結合相對滲透率以及實驗巖心、實際油藏積波及系數的確定方法,提出並建了一種確定水驅油田理論含水率的新方法波及系數修正法。
  14. According to the distribution peculiarity of the two characteristic moments, the accessibility of water quality in taizhou source of yangtze river has been analyzed based on the maximal contamination zone of entire tide and the relationship between the length of contamination zone and the pollutant load. simultaneously, every project has been analyzed and compared by using the model in wuli lake water environmental renovation for getting some theoretic gist and technical supports for the engineering

    在此基礎上進行泰州江段水流水質數值模擬,建排污混合帶范圍與排污量關系,並對泰州江段供水水源地水質可達性進行了分析;將模型應用於五里湖水環境治理工程中,預測各引水方案下湖水質狀況並進行各方案分析,從而為工程實施提供一定的理論依據和技術支持。
  15. Anti - melatonin monoclonal antibodies of higher titer, affinity and good sensitivity were obtained by coupling mt to bovine serum albumin with formaldehyde and by immunizing mice with multifocal intra - dermal injections. we obtained 6 strains of hybridoma, all of them secreting specific antibodies to mt, we apply antibodies to determinate free mt inhuman serun with group - selective immunoassay technique. an inhibition curve for mt was obtained in the range of 50pg to30ng, and 1. 4ng of mt inhibited the value of the assay by half. we evaluate the specificity of antibodies by determination of cross - reactivity of several analogues, the moabs recognized mt but

    通過將mt用甲醛作連結劑連結到牛血清白蛋白上sa採用皮下多點注射兔疫小鼠得到了高效價,高親和力,較好特異性的抗mt單克隆抗,最後獲得了5株單克隆細胞株,都能分泌針對mt的特異性抗,建了選擇性基團免疫分析法,用制備的抗測定了人血清中mt的含量,作了mt的抑制標準,其抑制范圍從50pg ? 30ng ,半抑制量為1
  16. In order to realize 3d garment intelligent design, this paper brings forward a method to set up 3d garment model with form - points controlled spline and bi - cubic surface patch

    摘要為了實現三維服裝款式智能設計,提出以形值點控制的樣條和雙三次面構建服裝模型的方法。
  17. Multi - media shows of self - propelled gun are accomplished including curve simulation, texturing, lighting technology voice effect, flame effect, etc. vii ) distr ibuted real - time dynamics simulation system for virtual self - propelled gun, which is a solid basis for virtual - reality gun, is set up through lan, based on tcp / ip protocol, opengl, client / server, object oriented, etc

    在3dmax開發環境中,利用紋理、光照等技術進行了自行火炮的真實感建模,通過擬合,模擬火炮各個部件在發射過程中的運動規律,並結合聲音和炮口火焰效果,實現了自行火炮發射動力學的多媒描述。 7 、基於tcp ip協議、 opengl 、 client server 、面向對象等技術,在lan平臺上建了火炮發射動力學分散式實時模擬系統,為研究虛擬火炮打下了堅實基礎。
  18. 2. to establish a neutrajizing - inhabition time - resolved fluoroimmunoassay ( trfia ) of hepatitis b virus e antibody ( hbeab ) and hepatitis b virus core antibody ( hbcab ) based on the competion. the assay ranges of standard cures were 0 - 16ncu / mland 0 - 8ncu / ml. the within - run coefficient variations for standard samples were less than 10 %. compared this method with radioimmunoassay, the sensitivities were 92. 8 % and 93. 3 %

    以中和抑製法建了乙型肝炎病毒e抗時間分辨熒光免疫分析法( hbeab - trfia )和乙型肝炎病毒核心抗時間分辨熒光免疫分析法( hbcab - trfia ) ,標準分析范圍分別為0 - 16ncu ml和0 - 8ncu ml 。
  19. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中,針對世紀塔變截面的塔身,的拱以及柔性拉索相互耦合時清況,建兩種有限元計算模式,利用有限元軟algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  20. Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface

    本文在重新劃分abbott - firestone的基礎上引入了表面承載指數、核心區液滯留指數和谷底液滯留指數三個指標分別評價表面承載性能和儲油性能,同時通過試驗找到了這三個評價指數的變化規律,最後建了它們和分形參數之間的關系,並發現尺度系數同樣可以用來評價表面的承載性能和儲油性能。
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