dimensional constant 中文意思是什麼
dimensional constant
解釋
量綱常數- dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
- constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
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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。 -
For geodesic triangle in 2 - dimensional constant curvature space, the author improves some geometric inequalities on its interior angle by theory of majorization
摘要對於二維常高斯曲率空間上的測地三角形，研究了其內角的優超關系，並運用優超理論得到了若干新的關于其三內角的幾何不等式。 -
4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity
結果表明，預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果，局部努謝爾數隨預旋角的增大而有所減小；隨旋轉雷諾數的增加，不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低：當軸向中心進氣質量流量不變時，隨預旋進氣的質量流量增加，內轉靜腔室的轉盤盤面上的換熱基本沒有變化，而預旋腔室的轉盤盤面上的換熱效果增強；當預旋進氣質量流量不變時，軸向中心進氣的質量流量的改變對整個盤腔都有影響。 -
Using two - dimensional numerical simulation software, analyze the affect of isolated - trench ' s parameters on the breakdown voltages of three - class bipolar power devices ( whose ideal breakdown voltages correspond to 40v, 70v and 100v ), which include width, depth, isolated material ' s dielectric constant, fixed interface - charge and field plate located at the top of deep - trench termination
利用二維數值模擬軟體分析了影響三類典型應用的雙極功率器件（對應的理想擊穿電壓bv _ （ cro ）分別為： 40v ， 70v ， 100v ）擊穿電壓的諸多因素（主要包括阱寬度、阱深度、阱內填充介質、界面固定電荷、阱區頂端場板） 。 -
Generalized fatigue constant life curve and two - dimensional probability distribution of fatigue limit
廣義疲勞等壽命曲線與二維疲勞極限概率分佈 -
Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design
將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構，應用經典的機構近似綜合理論與現代的誤差理論，建立了速度逼近常數的數學模型，討論了主要機構參數存在區域及對運動、動力性能的影響，分析了傳動比理論誤差，提出了系統完整的計算機輔助尺度綜合的步驟與方法。 -
Rotation surfaces with constant mean curvature in 3 - dimensional minkowski space e
31中的常平均曲率旋轉曲面 -
At the same time, the values " range of two kinds of nonsquare constants and their values in real inner product space are given. we also discuss the pointwise nonsquare constant in finite dimensional f space
同時給出了兩種點態非方常數的取值范圍，和實內積空間中兩種點態非方常數的值。討論了有限維l ~ p空間的點態非方常數。 -
According to the heat conduction spreading only in the direction of local surface normal on infinitesimal control surface and laser machining reaching steady state instantaneously, a three - dimensional transient partial differential equation was translated into a one - dimensional constant differential equation
根據在微元控制面上熱傳導只發生在表面法向，並且激光加工在暫態達到準穩態，將三維暫態偏微分方程轉化為一維常微分方程。 -
The present results indicate that the quantitative description of the non - dimensional mean lateral streak spacing + differs from the results previously published. the spacing + is not a constant value of 100. it becomes larger as the reynolds number in terms of shear velocity increase
試驗結果表明，低速帶間距的無量綱數+並非為以往一致認為的100左右的常數，而是隨摩阻雷諾數的增大而逐漸增大，在水力光滑區與摩阻雷諾數成二次方關系，在過渡區則為線性關系。 -
When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse
在引入新的無量綱的時間參數后，通過建立相應的動量-沖量的一階微分方程，在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程，得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法，即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。 -
Test method for one - dimensional consolidation properties of soils using constant rate of strain loading
使用恆定應變加載測定土壤單維固結特性的試驗方法 -
Let ( m, f ) be an n - dimensional compact finsler manifold without boudary. if for some positive constant k, then moreover, the diameter of m is when 1 = mk
設m是緊致無邊的m維幾二le :流形，如果存在常數k ，使得b凡引x ）全（ 。 -
Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better
最後，針對擴壓器中的二維流場進行了數值模擬，結果表明馬赫數對擴壓器性能影響較大，隨著馬赫數的增大，擴壓器管道內激波-附面層干擾加劇，流動從附面層分離相應加劇，激波串數目增多;通過比較不同結構參數下的擴壓器內流場，發現等直段長度的變化幾乎沒有改變流場結構，只是對局部流場稍有影響，並且在其它參數不變的情況下，一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。 -
Element constitutive model is adopted to testify the necessity of non - stationary parameters. one - dimensional non - stationary visco - elastic creep equation of rock is given. according to data contrast of theory and experiment, non - stationary visco - elastic constitutive model more accurately reflects the deformation capability of rock than the constant one
建立了一維情況下，非定常粘彈性模型的蠕變方程，通過理論計算結果與試驗結果的對比，發現非定常粘彈性模型比定常粘彈性模型更為準確的反映了巖石的粘彈性變形性能。 -
As for nonlinear problem, the approximation schemes and the error analysis of pti are investigated, in order to avoid the computation of inverse matrix, the pti with dimensional expanding is proposed. the methods of constant, linear, sinusoidal approximation are proposed for the transformation of non - homogenous terms
通過增維技術，該演算法將非齊次方程齊次化，從而避免了矩陣求逆，並給出非齊次項常數近似、線性近似和正弦餘弦近似的處理方法。 -
In the second part, a method studying stochastic transition which is the master equation method is introduced, and explicit solutions of velocity v and diffusion constant d of the steady state are obtained when a particle hops among a dimensional and periodic n states
第二部分介紹了一種研究隨機躍遷的方法?主方程方法，著重推導了粒子做一維周期性n態隨機躍遷時達到穩態的速度、擴散系數的一般表達式。 -
High - dimensional alternate type differential system with impulse is discussed. sufficient condition is obtained for stability of the system with constant coefficient
摘要研究了一類多維交替型脈沖微分系統的穩定性，給出了系統的平凡解漸近穩定的充分條件。 -
If we hold one of the three variables constant, we can make a two-dimensional plot.
如果我們使三個變量中的一個保持不變，則可作二維曲線。
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