two-dimensional system 中文意思是什麼

two-dimensional system 解釋
平面體系
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Under the assumption that the elastic tensor satisfies the strong - ellipticity condition, we reduce the two - dimensional equations of linearly elastic membrane shells to a first order linearly symmetric hyperbolic system

    摘要在彈性張量滿足強橢圓性條件的假設下，把2 -維線性動態膜殼方程組化為一階線性對稱雙曲組。
  2. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  3. X - y - z model anisotropic ferrimagnetism the ground state magnetic induction of two - dimensional rectangle double lattice under heisenberg system

    系統下的二維復式長方晶格的基態磁化強度的性質
  4. In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled

    本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術（主要包括三維光數據存儲技術及近場光學超高密度光存儲技術）的原理及研究現狀。
  5. Effect of optical phonon on magnetic excitation of two - dimensional heisenberg ferromagnetic system

    鐵磁系統磁激發的影響
  6. Phalocyanines are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlinearity, varying upon central metal atom substitution and other factors

    金屬酞菁配合物是一種具有平面共軛電子結構的大環配合物。研究表明，酞菁配合物在可見及近紅外波段具有良好的非線性光限幅性能。
  7. Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity, varying upon central metal atom substitution and other factors. other interesting properties of this molecule and many of its derivative products are their versatility, architectural flexibility and high environmental stability, which are very important requirements to implement photo - electronic applications

    因其骨架結構特徵和可通過選擇中心離子、軸向配體和在酞菁環上引入功能性取代基等方法進行分子篩選與組裝得到具有特殊的物理化學性質和光、電、催化等功能的材料，而引起化學家和材料學家的濃厚興趣。
  8. Simulated experiments effects of intrathoracic pressure change on hemodynamics three models that simulated the anatomic arrangement of the venous return systems and chest cavity were established to investigate the hydromechanic principle of the different influence of the itpc on the ventricular fillings. effects of intrathoracic pressure change on the motion of interventricular septum ( ivs ) acuson ' s sequoia 512 ultrasonographic system was used in this study to record the m - mode and two - dimensional cineloop images of the simulated interventricular septum movement with different intrathoracic pressure changes

    指標觀測觀察並記錄外周靜脈壓和模擬胸腔壓力分別變化及同時變化時，模擬右心室的容積變化；觀察並記錄模擬胸腔壓力變化時，模擬肺血管床和左心室內壓力的變化；用sequoia512超聲心動圖儀觀察胸腔壓力變化對模擬心臟室間隔運動的影響。
  9. The asymptoics of solutions for a generalized boussinesq water system in two - dimensional space

    水波系統解的漸近性
  10. The emphasis of this paper are at : the global design of design system ; the parametric construction of girder, end girder, bridge frame ; the design of user interface ; the further development of two - dimensional drawings ; the realization of interface between girder, end girder structure parts and ansys software

    本文的工作重點是:設計系統的總體設計;主梁、端梁、橋架的三維參數化建模;用戶界面的設計;二維工程圖的開發;主端梁結構件與ansys分析軟體介面的實現。
  11. The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions

    對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可視化研究，分別獲得了較低循環流率下過渡區和在高循環流率下稀相區顆粒團的運動速度，形狀，持續時間及其動態變化情況。
  12. The geometry and echoed signal models of airborne bistatic sar in general flight configuration are introduced. two - dimensional matched filtering principle is examined and theoretical relationship between resolution and bistatic sar system parameters is suggested

    本文首先分析了機載雙基地sar在任意飛行模式下的幾何模型與回波信號模型，闡述了二維匹配濾波成像機理，給出了解析度與雙基地sar系統參數間的理論關系。
  13. In order to solve the problem of symbolic representation in geographic concepts and their mutual relationships, the geometrical composition of symbols of large scale topographic maps and the semantic and geometrical relationships among symbols are analyzed, the symbols system of topographic maps is regarded as a two - dimensional graphic language, and the relationship between symbols and geographic concepts is discussed

    摘要為了解決地理概念及其相互關系的符號化表達問題，分析了大比例尺地形圖符號的幾何構成及符號間的幾何和語義關系，把地形圖符號系統作為一種二維圖形語言，討論了它和地理概念之間的關系。
  14. Chondroitin sulfate a ( c4s ), as a kind of endogenetic urinary macromolecule, not only increased the supersaturation of cac2o4 in solution, but also inhibited the two - dimensional growth and aggregation of com crystals. the growth of calcium oxalate crystals was influenced by surface pressure beneath dppc monolayer film. there were some crystals which have the same appearance as com crystals obtained from pure water system when monolayer surface pressure was hold 1, 10 and 30 mn / m while those growth at 20 mn / m were perfect orderly induced by dppc monolayer

    生物大分子c _ 4s作為一種內源性的尿大分子，它不僅從熱力學上提高ca ~ （ 2 + ）在尿液中存在的濃度，使體系中cac _ 2o _ 4保持較高的相對過飽和度，降低草酸鈣結石成核的可能性；而且在晶體生長時，抑制com晶體晶面的二維生長和晶體聚集。
  15. Fitts " law was extended to two - dimensional polar coordinate system, and based on this, a method on human movement quality evaluation was proposed. indices of gait symmetry, indices of difficulty and indices of performance for human upper limbs were defined and combined with other indices to form a set of systematic indices of movement quality evaluation

    將fitts定律推廣到二維極坐標下，並以此為基礎建立了矢狀面內的人體運動質量評定方法，定義了上肢運動的難度指標、執行度指標和下肢運動的對稱性指標，提出了一套能反映運動質量各方面情況且具有普遍意義的運動質量評價指標。
  16. Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm

    論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。
  17. I analyze the economic effect of crane management through the calculation of standard inspection & maintenance time and definition of related mathematics model. finally, i propose two - dimensional evaluation index system of crane management

    通過對現行設備標準檢修臺時的計算和相關數學模型的建立，對設備管理的經濟合理性進行實例分析，提出了設備管理的二維評價指標體系。
  18. In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary, a numerical model system is developed. four models, a 2 - d compound fluid model including wind, waves, tides and river runoff, a swan wave model, a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated

    本文建立了一個用於波?流共同作用下長江口平面二維懸沙計算的數值模型系統，主要由四部分組成，即考慮風、浪、潮、徑流的二維復合流場模型、 swan海浪模型、波?流相互作用的底邊界層模型以及二維懸沙輸運模型。
  19. Cauchy problem for linearized system of two - dimensional isentropic flow with axisymmetrical initial data in gas dynamics

    二維等熵流的線性化方程的具軸對稱初值的柯西問題
  20. Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ' s. it breaks through the resolution limitation imposed by real aperture. with pulse compression technology, two - dimensional high resolution to distant targets can be realized

    合成孔徑雷達（ sar ）是五十年代發展起來的一種新型雷達體制，它利用合成孔徑原理，突破了實孔徑天線對解析度的限制，並結合脈沖壓縮技術，可以對遠距離目標進行方位向和距離向兩維高分辨成像。
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