非對稱中心 的英文怎麼說

中文拼音 [fēiduìchènzhōngxīn]
非對稱中心 英文
center of asymmetry
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  1. The density distribution shows coronet as to the single mode. and the density distribution shows equality as to the multi - modes, except the little hollow in the optical fiber core. the second is coherent incidence light

    結果表明，對于非相干情況，輸出光強為中心對稱和沿徑向非均勻衰減形式；對于相干情況，輸出光強分佈為復雜的峰谷分佈形式。
  2. Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air

    其次，從空氣中激光等離子體沖擊波波前的傳輸特性出發，將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況，提出旋轉橢球面沖擊波前傳播公式；建立水中的激光等離子體沖擊波波前衰減傳播模型。
  3. Abstract : to decrease bending and twist deformation of non - sym metry extruded sections, a new conception of local extrusion ratio and die band ratio has been set up, and also the formulas for the place of die hole on the ba sis of simulating test

    文摘:為減小非對稱型材擠壓的彎扭畸變，在試驗研究的基礎上，建立了局部擠壓比、擠壓帶系數的概念，擠壓筒中心與擠壓模孔型中心相對位置的計算式。
  4. For processing of 3d and 3c seismic data, the reflected p - waves can be processed with the conventional methods, while the reflected converted waves can not be processed with the conventional p - wave processing methods, because their travel paths are asymmetrical, their common midpoint gathers are no longer common reflection point gathers, and their time - distance equation is non hyperbolic

    在三維三分量地震勘探資料處理中，對于反射縱波資料可以採用常規方法進行處理；而對于反射轉換波資料，由於其傳播路徑的非對稱性，轉換波共中心道集不再是共反射點道集，轉換波時距方程也不是雙曲方程，因此不能採用常規縱波處理方法來處理轉換波資料。
  5. In the second part of this dissertation ( chapter 6 and chapter 7 ), it is demonstrated that in low multiplicity sample, the increase of the fluctuation of event factorial moments with the diminishing of phase space scale, " erraticity ", are dominated by the statistical fluctuations

    在非對心碰撞中，初始坐標空間中的方位角不對稱性將導致末態粒子相對于「反應平面」的角依賴性。微觀上講，末態動量空間的大的各向異性來源於碰撞最初階段的大量的再散射。
  6. For some non - symmetric homogeneous domains, we can also get the explicit formulas of their bergman kernel functions by hua method [ xu4 ] [ gi ]. we know the complete orthonormal system of the bounded reinhardt domain made up of monomials, and complex ellipsoid domain is the bounded reinhardt domain, so the explicit formulas of the bergman kernel functions are obtained by summing an infinite series in some cases ( called method of summing series )

    對於一些非對稱的齊性域，也可以用華羅庚方法得到它們的bergman核函數的顯表達式我們知道，有界reinhardt域的完備標準正交系由單項式組成，而復橢球域是包含原點且以原點為中心的有界reinhardt域，於是可以通過無窮級數求和函數的方法，計算其bergman核函數的顯表達式，這種求bergman核函數的顯表達式的方法稱為級數法。
  7. In the condition of non - axisymmetrical stage separation in hypersonic flight, the problems of dynamics and kinematics of the validating vechicle and the launch vechicle are primarily analysised. it includes the movement of the center of mass and the rigid body of the vechicles, the relative movement of the different vechicles, the relative movement of the special parts of the different vechicles, the load analysis and the probable collision in the process of stage separation

    研究了在高超聲速狀態下非對稱級間分離過程中，驗證飛行器與運載火箭分離時的相關運動學和動力學問題。包括:飛行體質心運動和剛體運動;不同飛行體之間的相對運動;不同飛行體上特殊部位之間的相對運動;分離過程中各相關飛行體上的載荷分析和分離過程中可能發生的碰撞問題。
  8. ( 2 ) the increase of rainfall is closely associated with the increase of the disturbance wind which often can be found before the increase of rainfall, so the increase of the nonlinear subcritical symmetric instability can make the rainfall increase. ( 3 ) heavy precipitation often occurs between the south of axis of upper jet at 200hpa and the north of axis of low jet at 850hpa

    （ 3 ）降水區和暴雨中心主要位於200hpa高空急流軸南側和85ohpa低空急流軸北側之間;非線性亞臨界對稱不穩定與高空急流關系密切，它可能觸發高空急流核的形成;它與低空急流關系也很密切，它的出現可能引起低空急流的出現。
  9. Heavy precipitation often forms in the place between the source of high - disturbance wind field at 200hpa, especially of low - disturbance wind field at 850hpa. ( 2 ) the temporal and spatial scale about e - reflection index of nonlinear subcritical symmetric instability disturbance is 5 - 8hours and 200 - 300km respectively

    非線性亞臨界對稱不穩定使線性對稱穩定的大氣變為不穩定。降水區和暴雨中心主要位於高層200hpa和中層500hpa擾動風場極大值南側與低層850hpa擾動風場極大值北側之間。
  10. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權重函數分佈規律的傳感器，在流速非中心軸對稱分佈時，感應電勢僅與平均流速呈正比，而與流速分佈無關的結論，從而從原理上解決電磁流量計了高精度測量的問題。
  11. Several countries increased hiv treatment for children by combining it with programs at treatment centers for adults. the report says the countries include botswana, india, rwanda, south africa and thailand

    一些國家將艾滋兒童治療程序與成人治療中心合併，以加大對兒童艾滋治療的程度。報告稱這些國家中包括波札那，印度，盧安達，南非和泰國。
  12. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度
  13. Inherently chiral calixarenes denote calixarenes whose chirality is based on the absence of a planar symmetry or an inversion center in the molecules as a whole through the desymmetric array of several achiral groups upon the three - dimensional calix - skeletons

    固有手性杯芳烴是指在杯芳烴三維骨架上引入數個非手性基團使之不再具有對稱面或反轉中心而呈現出整體手性。
  14. In the upper troposphere, there is no intact asian active center. the troposphere structure of summertime ao is implicated with the horizontal heterogeneity of air temperature throughout the whole troposphere with its center over asian continent, which results in the zonal asymmetry and baroclinic structure of the summertime ao ( especially its asian center ). on the contrary, the correlation between wintertime ao and sea - land thermal contrast confines in the lower troposphere, hence its zonal asymmetry and baroclinity in the lower level

    夏季北極濤動的這種結構與對流層整層的溫度水平分佈不均勻性有密切聯系，且這種溫度分佈差異主要體現在亞洲大陸，因而也就使北極濤動的中緯度亞洲中心呈現出比同緯度帶其它區域更為明顯的緯向非對稱性和斜壓性；而冬季北極濤動受下墊面海陸分佈差異影響，其緯向非對稱型和斜壓性質主要出現在對流層中低層，在對流層高層表現出很強的環形模態和正壓結構。
  15. In contrast, the out - of - phase vacillation in summertime ao covers the arctic region and mid - latitude asian continent. though the summertime ao exists on intraseasonal as well as interannual time scale, its asian active center abates on the intraseasonal pattern, thus awarding it more conspicuous zonal symmetric structure. interannually, summertime ao exhibits the zonal asymmetric and baroclinic features, and its seesaw mode is significant only in the lower troposphere

    在年際時間尺度上，夏季北極濤動表現出比冬季北極濤動更強的緯向非對稱性和對流層高、低層位相不一致的斜壓性，其極地中心和亞洲中心的反位相濤動關系在對流層低層比較顯著，向上逐漸減弱，到對流層高層不能表現明顯的亞洲中心。
  16. Decreasing cell thickness will increase the influence of surface interaction to mid - cell phase transition, and increase the temperature, anchoring field strengths region for biaxial phase. at very high value of hc, phase symmetry in mid - cell lags behind that in surface. keywords : liquid crystal, phase transition, surface energy

    對有限厚度液晶盒，減少盒厚可增加表面相互作用對系統的影響，使雙軸相所在溫度區域增加，表面與盒中心液晶的對稱性並非總是同步，當| h _ b |較大時，盒中心液晶雙軸相的對稱性明顯滯後於表面。
  17. The thesis is organized as below : in chapter 1, the background knowledge is given which is needed for study on bluetooth security mechanism and implementation. first bluetooth technology is overviewed including its develop history, radio interface, physical links, interference, network topology, core protocol, etc. next communication security is introduced according to the model of network security architecture from osi. finally some primary cryptographic techniques are discussed based on symmetric encryption, asymmetric encryption and advanced encryption standard published years ago

    本文研究了利用藍牙技術提供各種安全服務和實現的課題，並通過一些具體實現的實例進行闡述，具體安排如下：在第一部分，本文首先回顧了藍牙技術及發展情況，主要包括藍牙發展簡史、藍牙標準的射頻介面、物理鏈路、干擾情況、網路拓撲結構以及核心協議等；然後介紹了通信安全的基礎知識，討論了osi系統中的四層網路安全結構模型；最後給出了各種加密技術的基本理論，包括對稱加密體制如des和blowfish 、非對稱加密體制（ rsa公鑰演算法、數字簽名和身份證明等）以及新一代的高級加密標準（ advancedencryptionstandard ， aes ）等。
  18. Through the introduction of case on accounting information applying in performance appraisal of ccicjs, point out problems about accounting information application, such as, the enforcing requirement of integrating of accounting information and non - accounting information, information distortion and information asymmetrical, shortcomings of taking the financial norm as the core of performance appraisal, etc

    通過具體年度績效考核案例介紹中檢江蘇公司會計信息在績效考核中的應用，並指出通過會計信息進行績效考核存在的問題，諸如：會計信息和非會計信息的整合方面有待加強；信息傳遞失真與信息不對稱；財務指標為核心的績效考核存在缺點等。
  19. We also prove that the radius of a rotating spherically symmetric star, with given constant angular velocity and constant entropy, is uniformly bounded independent of the central density. this is different to the case of the non - rotating star

    非常有趣的是，當角速度和熵函數都是常數時，旋轉對稱星體的半徑關于中心密度是一致有界的，這與非旋轉星體是截然不同的。
  20. The way that use double watermark technique, and use asymmetric secret key system and a different secret key during watermark checking gives a novel idea to people : different information can be embedded into the image according to different requirement and provided for multiple utilization, because fragile watermark only require the trusted third part to extract and the user is transparent. the robust watermark required the authentication centre to extract the watermark. at the same time, the zero knowledge proof for the author id can be done by the authentication centre, which is the idea of the cryptology authentication and can solve problem of the copyright ownership more effectively

    雖然本文對該模型提出的演算法並沒有具體實現，但是，在同一幅圖像中嵌入魯棒水印與易損水印的雙水印技術，以及採用的非對稱密鑰體制即在水印嵌入過程與水印檢測過程中使用了一對不同的密鑰，可為人們提供一個新的思路：由於易損水印只需通過可信任第三方提取，對用戶是「可見」的，因此可根據需要嵌入不同的信息，多方利用；魯棒水印的提取需要認證中心提取，同時可由認證中心對商家身份進行的零知識驗證，體現了密碼學的認證思想，更能解決版權糾紛的所有權問題。
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