零曲度 的英文怎麼說

中文拼音 [líng]
零曲度 英文
zero camber
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 曲度 : camber; curvature; degree of curvature; [土] degree of curve曲度計 cyrtometer; kyrtometer
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速降至很小甚至為,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程取決于該處光壓力線負斜率的大小、對應勢能的勢阱深以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強、失諧量等顯得尤為關鍵。
  2. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此,本論文重點對大口徑光學系統在高精光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成線進行對比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。
  3. This is a good means to work with the helicoid part, it is high precision

    該路線精高,適合於回轉體件的面逆向設計。
  4. This three hybrid type pmts possess such advantages as : simple structure, good dexterity high machining precision, high machinillg speed, position decoupling wth orientation, easy nc programming et al, can meet the need of numerical colltrol machining for large pwts with complex wes

    這三種混聯結構並聯機床具有結構簡單、加工靈活、加工精高、加工速快、加工工藝性好、位置與姿態解耦和數控編程方便等優點,可以滿足大型具有復雜面類件的多軸聯動數控加工的要求。
  5. Stretch - bending former is used to manufacture curved pieces with large size and high shaped precision. generally, these pieces are relatively large winding radius extrusion or sheet bending profiled bars. especially, stretch - bending former is the needed equipment to produce rims, ribs, edges and strips of airplanes

    拉彎機是生產加工飛機上的框肋緣條等型材件的必須設備,常用於製造尺寸大、外形準確要求較高、相對彎半徑大的擠壓和板彎型材彎件。
  6. 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體系統:包括幾何參數設計計算模塊,強校核模塊,繪制齒面接觸線模塊,蝸桿齒厚變化線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,建立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體:包括部件的參數化建模模塊和裝配圖的參數化建模模塊,其中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、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它部件的參數化建模軟體模塊。
  7. The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm

    研究了利用gps校準點、帶溫補償的氣壓高測量技術,通過線擬合與數字濾波技術,設計了具有較高解析的氣壓高測量通道。
  8. It is required for the radome to be machined with high geometrical accuracy and to meet a very special demand in electrical performance. however, there have never been before available technologies and equipments for machining the radome precisely and satisfactorily, which has become an urgent problem to be solved in the key engineering r & d of the national defence

    由於天線罩屬三維復雜面硬脆材料的薄壁件,結構復雜,加工精要求高且非常特殊,目前尚無現成精密加工技術和工藝裝備可用,極大地制約了天線罩製造精的提高,是我國先進型號導彈研製過程中亟待解決的問題。
  9. According to the geometrical characteristic of the arch dam shape, and based on the parameter design language of ansys software ( apdl ), the subp method and the stochastic search method are adopted together to optimize design of hyperbolic arch dam with variable thicknesses of the circle

    摘要根據拱壩體形的幾何特徵,基於ansys軟體的參數化設計語言( apdl ) ,將階近似方法和隨機搜索法結合起來對單圓心變厚拱壩進行了優化設計。
  10. The optimized speed curve can bring a steady press - down dimension in the process of the ring rolling which could assure high quality products

    優化后的芯輥進給速線能保證輾擴過程中始終有理想的每轉壓下量,從而降低缺陷的發生,提高件質量。
  11. The space geometry is open and negatively curved as a saddle. if the density equals to the critical density exactly, the space is flat as a sheet of paper. if the density is greater than the critical density, the space geometry is closed and positively curved as a ball

    為負馬鞍形的開放宇宙假若密和臨界密相等,空間率為,宇宙如一張白紙般平坦假若密高於臨界密,它則是一個空間率為正球形的封閉宇宙。
  12. Measuring method and technique that 3d surface shape is recovered from 2d gray image ( shape from shading ) can obtain surface shape by natural way and easily realize the information integration of intersystem. particularly, this technique belongs to non - contact measurement, and it has become a puzzle and hotspot question in image measuring domain based on vision in recent years

    直接由物體的二維灰圖像恢復其三維幾何形狀(由明暗恢復形狀)的面測量方法和技術,能以自然方式提取物體表面的形狀信息,且易於實現系統間的信息集成,尤其是該方法屬于非接觸測量方法,特別適合於測量由彈性模量低的易變形材料製成的件,近年來一直是基於視覺的圖像測量領域研究的難點和熱點問題。
  13. The findings show that there exists overlap between macroscale convergence and warm advection if the degree of clock - wise turn dosen " t keep constant on both sides of zero doppler velocity contour about the near range of the observational site. the overlap produces vertical vapor transport and upward convergence movement favorable for formation and continuation of rain gush

    結果表明:帶在測站近距離兩側的彎不一致是暖平流與大尺輻合運動的迭加所造成,這一結構為暴雨產生和維持提供了有利的水汽垂直輸送和輻合上升運動。
  14. Abstract : it proposes a model for shaft centerline measurement and winding level, gives the coordinates transformation formula of measured data, and develops the program diagram for centerline measurement of wind - shaft

    文摘:提出了一種便於微機處理的軸線的空間解析表達方法以及軸線彎的表示方法,給出了軸線測量數據獲取方法與坐標轉換公式,提出了件軸線彎時精密測量的一般步驟。
  15. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  16. Although the plot is quite loose and the whole concept is not too innovative, iwai s delicate and fruitful research on his subject matter has proven to be rewarding. the movie shows clearly that he has profound knowledge of the behaviors of the teenagers. that might also explain why he could have made such a decisive critique

    雖然此片的劇情比較碎,也不見得新穎獨,但巖井俊二的資料搜集功夫明顯做得非常充足,他對于年青人的心理和思想都有頗為透澈的認知,所以能對這個歪的社會現像作出一針見血的批評。
  17. When the machining tools is perfected, it can process all of quadric curves and high degree curves with high surface form precision. at the same time, the its structure is very simple processing size range is large and its efficiency is high, so it will greatly reduce the cost of processing of aspheric parts

    該機床完善後,可加工所有二次線和高次線,並能保證較好的件面形精,該機床結構簡單,加工尺寸范圍大,加工效率高,將會大大降低非球面加工的成本。
  18. This paper will discuss how we can revise the offset by curve matching so that the sensor price will fall and its accuracy will be improved

    本論文應用線擬合方法校正點,降低成本且精確提高。
  19. This paper will discuss how we can revise the offset by curve matching, the algorithm of the neural network and the normalized method of the polynomial match so that the sensor price will fall and its accuracy will be improved

    本論文應用線擬合方法,神經網路演算法和多項式擬合的規范化方法校正點,降低成本且精確提高。
  20. In the fourth part we study conditions of shen metric to be berwlad, douglas, protectively flat or to be of zero curvature

    第四部分討論shen量成為berwald量, douglas量,射影平坦以及具有率的條件。
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