導出表達式 的英文怎麼說

中文拼音 [dǎochūbiǎoshì]
導出表達式 英文
export expression
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 導出 : leading-out; derive; derivation
  • 表達 : deliver; express; show; voice; convey; communicate
  1. 2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations

    2將第二維里系數的理論值較精確地擬合為幾種簡單的,並據此了立方型狀態方程中二次項溫度函數的新形簡單、通用,不含偏心因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型方程。
  2. It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly

    計算了在軌運行條件下反射鏡面熱變形引起的面法向偏轉參數,推了鏡面變形后射光線的通用以及鏡面變形前後在ccd探測器上的接收光斑中心偏轉量的計算
  3. Abstract : a concise derivation of energy formula of diatomic molecules is proposed

    文摘:對非剛性雙原子分子的能量一種簡明的推
  4. Abstract : with differential calculus and principles of precision analysis a mathematics formula on spring being out of shape error and relative factors error is derived, and given a simple method of dynamometric spring precision design

    文摘:應用全微分方法及精度分析原理,推彈簧變形誤差與各相關因素誤差之間的數學,提供了一種測力彈簧精度設計的簡便方法。
  5. The time - related expression of stain along the crack - tip extension line was given from the use of the elastic - viscoelastic correspondence principle and standard linearity body model and the non - linear factors, which caused the gradual difference between the theoretical and actual value with the increase of time, were analyzed

    應用廣義彈性?粘彈性對應原理,給了線粘彈性體裂尖延長線應變值隨時間變化的,分析致理論與實驗情況隨時間增加產生偏差的非線性因素。
  6. Abstract : the more precise equation of r - k was used to calculate the real gases. based on the generolized measurement of fugacity, the equation of substance ' s fugacity coefficient of mixed gqses was derived, and the results of the application was discussed

    文摘:對實際氣體選擇較精確的r - k方程,根據逸度計算的普遍化公了混合氣中物質逸度系數,並對其應用結果進行了討論
  7. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推微分干涉角具體,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  8. This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached

    本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析,推旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學
  9. The expressions of imaging models and the method of imaging are gained. the problem of the time domain walk compensation and picture mistiness are discussed

    通過數學推了合成孔徑雷成像處理模型的及成像的方法和步驟。
  10. The expressions on power output of soft oared wind turbine were deduced. influences upon the power output affected by six parameters of this kind of wind turbine were discussed

    摘要推了柔性槳風力發電機輸功率,討論了此種風力機6個參數對輸功率的影響。
  11. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性,多光束掃描入射點位置矢量、反射線標量、觀察面上的掃描軌跡方程,並研究了掃描遠場的非對稱性。
  12. This text expanded the magnetoelastic stability issue of current - carrying component from coil, pole piece to thin current - carrying plates, and used special function to differentiate the critical state of losing magnetoelastic steady, the number value of getting the relevant parameter is solved. the text derives and provides the magnetoelastic movement equation of thin current - carrying plates, the geometry equations and the physics equations, the expression formula of lorent ’ s force, electro dynamics equation through the theory at first

    本文將載流構件磁彈性穩定問題由線圈、桿件拓展到載流薄板,並引入特殊函數判別磁彈性穩定問題的失穩臨界狀態,得到了相關參量的數值關系。首先通過理論推了載流薄板的磁彈性動力學方程,幾何與物理方程,洛侖茲力的,電動力學方程。
  13. The basic condition that produced superradiance and the radiation power were gotten

    產生超輻射機理的基本條件,並得到了微波輻射功率的解析
  14. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷體制,分析了地形目標回波特性;建立了地形跟隨雷空地測距的幾何關系;利用雷收發信號,了地形跟隨雷和差接收通道的回波信號,進行了波形模擬,得到了地形跟隨雷的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給了真實雷對外輻射試驗的結果,驗證了文中的模擬。
  15. Considering the viscous interaction between the kernel and the air inside the grain the paper shows the dynamic tortuosity function in grain. considering the thermal exchanges between the kernel and the air the paper shows the dynamic permeability function in grain

    考慮準多孔介質聲傳播中存在空氣與顆粒間的粘滯力和慣性力,推準多孔介質中孔隙動態曲折度函數
  16. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法,了大位移彈塑性梁單元剛度矩陣的顯,在剛度矩陣推中引入了截面內非線性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其中的任何一項都可能致不正確的結果。
  17. A kind of mud based on transversal equalizer is recommended, and the performance analysis of ds - cdma systems based on that mud has been done under synchronous channels. then the expression of output signal is deduced. also, the relations among sinr of output signal, snr and correlation matrix of spread code the least mean square error ( lms ) adaptive algorithm is applied to the mud

    論文引入基於橫向均衡結構的多用戶檢測器,用矩陣方法推了awgn通道下、同異步系統中信號輸,依據最小均方差準則,討論了同步方下檢測器的輸信號干擾比與信噪比、擴頻碼相關陣以及用戶功率大小等因素間的關系。
  18. We would use these expressions to fit experiment data to get a conductivity value. we have made a model of thermally uniaxial material to find the expression between the conductivity and principal conductivity. we have gained four expressions of conductivity in four special directions by transforming coordinates

    為了找到實驗擬合的熱率值與主熱率的數量關系,我們建立了熱單軸材料的樣品模型,繼而用坐標變換的方法推四個特殊方向上的熱
  19. Third, this thesis thoroughly had also studied the three - dimensional differential game guidance law. the first - order differential game guidance law expression was inferred based on the linear quadratic differential game theory, the simulation results showed that this differential game guidance law is correct and effective

    接下來,本文還深入研究了三維微分對策制律,在線性二次型微分對策理論的基礎上推一階延遲環節三維微分對策制並通過模擬計算得到驗證。
  20. In this paper, based on integrated solution of differential equation, we derived simple and analytical expression of elements of sentivity matrix and formed imaging equations

    本文從微分方程的積分解發,推極為簡單的三維雅可比系數矩陣,構造了成像方程。
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