未知元 的英文怎麼說

中文拼音 [wèizhīyuán]
未知元 英文
unknown
  • 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...
  • 未知 : unknown
  1. He forcast for the unknown elements their atomic weights and all kinds of properties.

    他預言了這些未知元素的原子量和各種特性。
  2. Johnson, 43, is said to want to play closer to his arizona home, and the yankees would not mind shedding his $ 16 million salary for next season and the uncertainty he would take to the mound caused by his age and his balky back

    老怪今年43歲，據說他想要在亞利桑那的家附近打球，而洋基也不介意在下一季省下他那1600萬美元的薪資，並且因為年齡和背部痼疾，使得他能否站上投手丘還是個未知數。
  3. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  4. Then use the finite element method to analyse the dielectric loaded resonant cavity, and get the generalized eigenvalue equation ax = k02bx, in matrix b includes the unknown r

    然後採用有限元分析的方法來分析介質加載諧振腔，並得到待求廣義特徵方程ax = k02bx ，其中b中含有未知數r 。
  5. In the third chapter, it was particularly analyzed the impact of the correlation between antenna arrays both sides of transmit and receive, the coexistence of line of sight ( los ) component and scatter power component in the radio propagation environments, and known and unknown channel state information on the capacity of mimo channel. the related simulation results are also given

    第三章著重分析了收發兩端的多天線單元之間存在相關性、同時存在直射分量（ los ）和散射分量的傳播環境、已知和未知通道的狀態信息等因素對mimo通道容量的影響，給出了有關模擬結果。
  6. By the network, a optional nonlinear input - output mapping relationship can be realized. concrete mapping relationship materialize at the distributed linking weight values between neurons that build up the ann. due to the strong self - adaptability and self - learning - ability as well as excellent and robustness and tolerance ability, it can not only replace many traditional algorithm which is very complicated and timeconsuming, but also, because the processing to information is more close to person ' s thought activity habit, it provides a new way for solving the prediction of nonlinear system and unknown model

    通過這種網路能夠實現任意的非線性輸入輸出映射關系，具體的映射關系體現在構成網路的神經元之間的分佈連接權上，由於網路具有很強的自適應和學習能力以及魯棒性和容錯能力，它不僅可以替代許多復雜耗時的傳統演算法，並且由於它對信息的處理更加接近於人的思維活動習慣，為解決非線性系統模擬和未知模型的預測提供了新途徑。
  7. Forsaking the conception of cause, mathematics seeks law, that is, properties common to all unknown, infinitesimal quantities

    數學放棄原因的概念而尋求法則，也就是尋求一切未知的無限小的元素的共同性質。
  8. From that moment she resolved to trace the unknown element.

    從那日起，她決心找出這種未知的元素。
  9. 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。
  10. 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。
  11. In the process, we import the displacement method " s concept of replacement ahead, that is to say, we replace the unknown vectors with new unknown vectors to prevent the delivering and accumulation of errors. at the same time, we completed the skew bridge calculation procedure, and compared the calculation results with the results by the finite element software ansys, it proved the correctness and practicality of this procedure

    在矩陣傳遞的過程中引入位移法中的前進代入的概念，即將未知向量不斷的以新的未知向量替換，以防止誤差的傳遞和積累。本文完成了斜交格子梁橋的內力計算程序，並將計算結果與採用有限元分析軟體ansys分析計算的結果進行了比較，驗證了程序的正確性和實用性。
  12. A force - method equation about unknown nodal forces of the composite beams is proposed based on the governing differential equation

    在粘結剪力和滑移微分控制方程的基礎上，建立了關于組合梁單元桿端未知力的力法方程。
  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. A mixed semi - implicit scheme based on incremental unknowns

    基於增量未知元的混合半隱格式
  15. On stability and error estimaes for a class of weighted semi - implicit schemes of the incremental unknowns methods

    一類加權半隱格式增量未知元方法的穩定性和誤差估計
  16. A priori estimates of incremental unknowns methods on a class of special nonuniform meshes for three dimensional problems

    一類特殊非一致網格上三維問題增量未知元方法的先驗估計
  17. Gets the line number where the unknown element was encountered if the xml reader is an

    ，在遇到未知元素的位置獲取行號。
  18. Gets a value indicating whether an unknown element is encountered during deserialization

    獲取一個值，該值指示反序列化過程中是否遇到未知元素。
  19. In this paper, we discussed the integrality of the methods by using the properties of similar matrices to confirm unknown elements

    摘要討論了利用相似矩陣的性質來確定矩陣中未知元素方法的完整性。
  20. When these instances are serialized, these unknown recorded elements ssn and securitytoken will be serialized as well

    當這些實例被序列化時，這些被記錄的未知元素（ ssn和securitytoken ）也會被序列化。
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