未知量 的英文怎麼說

中文拼音 [wèizhīliáng]
未知量 英文
an unknown quantity
  • 未 : Ⅰ副詞1 （沒） did not; have not 2 （不） not Ⅱ名詞1 （地支的第八位） the eighth of the twelve ear...
  • 知 : Ⅰ動詞1 （知道） know; realize; be aware of 2 （使知道） inform; notify; tell 3 （舊指主管） admin...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 未知 : unknown
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. Each equation involves five unknowns.

    每個方程包括5個未知量。
  3. The mesh points are numbered with index k in the order in which the unknowns are considered.

    網格點按所考慮的未知量以腳標k來計數。
  4. List the given information and the unknown quantities.

    列出給定數據和未知量。
  5. A system with as many equations as unknowns will be consistent.

    一個方程數和未知量數一樣多的方程組將是相容的。
  6. And then the pti method is applied to the solution of transient heat conduction

    其未知量為中面節點溫度，可方便地加入到現有的熱傳導分析程序中。
  7. The method has good preciseness and less unknown variables and it is convenient to be used in practice

    該方法收斂性較好，未知量少，便於實際應用。
  8. In 1993, bennett et al proposed a scheme for teleporting an unknown quantum state of one - particle

    1993年bennett等人提出了傳輸單粒子未知量子態的方案。
  9. And quantum process tomography is a procedure by which an unknown quantum operation can be fully experimentally characterized

    而量子過程層析是實驗確定未知量子操作的方法。
  10. An optimum scheme for constructing finite element meshes is proposed, which can reduce the sum of the unknowns

    提出了一種優化的有限元剖分方案，這種方法能夠減少剖分出的未知量。
  11. As tronomical calculations are complex and involve many variables that go into the derivation of unknown quantities

    作為普通計算則變得復雜，包括了很多變量，使得引出了很多未知量。
  12. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。
  13. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上，從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發，通過約束電場強度?電勢關系、應力與應變及電場強度的關系，得到僅包括位移、電勢、應力三個未知量的雜交變分泛函，利用一般層合板的雜交混合變分原理，分離面內分量和橫向分量，導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函，作為壓電層合板的雜交元列式的理論基礎。
  14. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組，並同時考慮時間因素和空間變位對波面勢函數的影響，在預設的計算精度下，通過時步內的循環迭代逐一確定每個時步上的波面運動位置，從而建立了一種可適于求解強非線性波浪變形計算的數值模式。
  15. In practice, this dissertation focuses on the study of the aforementioned two problems, we have investigated and analyzed the controlling mechanism of the adiabatic conditional geometric quantum phase - shift gates for two - qubit, and realized the geometric quantum computation by making use of the nonadiabatic geometric phase of quantum states of the superconducting josephson junctions quantum interference device system. we have also discussed the accessible information of quantum signal resource ensemble, and studied the teleportation of an arbitrary d - dimensional tv - particle unknown state via a partially - entangled quantum channel ; this dissertation comes in four parts

    實際上，我們在本文中就上述兩方面的問題作了一些探討：研究和分析了兩量子位絕熱條件幾何量子相移門的控制機制，利用超導約瑟夫森結量子器件系統的量子態的非絕熱幾何相位實現了幾何量子計算、討論了信源系綜的可接收信息問題以及任意d維n粒子未知量子態通過部分糾纏量子通道的隱態傳輸問題等。
  16. Aimed at the blank parts based on the ideal forming, the involved fe formulae based on the kinematics of the linear triangle membrane elements, with the node coordinates or node displacements of elements being unknown, are derived

    針對基於理想成形的板料零件，推導了以節點坐標或節點位移為未知量的線性三角形薄膜單元的變形關系。
  17. For the boundary nonlinear problems, such as elastic contact problem, the boundary displacements and boundary tractions are just the basic variables of the boundary integral equation, and the contact conditions can be satisfied with higher accuracy in bem ; therefore, the bem can be applied to solve the elastic contact problem more accurately

    對于彈性接觸問題等邊界非線性問題而言，由於邊界位移和邊界面力正是邊界積分方程中的基本未知量，邊界元法能以更高精度滿足接觸條件，因此，邊界元法能更精確地求解彈性接觸問題。
  18. Based on the mass conservation law and momentum equations of incompressible fluid, the general equation for fluid flow in marching solution is established and the marching solution for flaid flow in manifolds is presented

    摘要以不可壓流體的連續方程和動量方程為基礎，將分支管流速作為未知量，建立推進演算法的基本方程和計算方法。
  19. The principles of quantum teleportation : the information of original can be divided into classical information and quantum information

    量子隱形傳態的基本思想為：為實現傳送某一物體的未知量子態可將原物的信息分為經典信息和量子信息。
  20. And programs for cross dipoles, ring aperture and y aperture are given because they are used widely in application. as for other typical and regular types, full domain basis functions are given and can be used to solve their frequency response by spectral method

    本文給出了工程中應用較廣的十字形單元， 「 y 」形、 「環」形孔徑單元的分析程序；對于其它典型、規則的單元形式，則給出了其未知量的整域基函數表示形式，只需代入譜域方法求解即可。
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