undetermined coefficient
英 [ˌʌndɪˈtɜːmɪnd ˌkəʊɪˈfɪʃnt]
美 [ˌʌndɪˈtɜrmɪnd ˌkoʊɪˈfɪʃnt]
未定系数
双语例句
- The difference scheme of sixth order pricision is constructed by undetermined coefficient method.
用待定系数法构违了六阶差分格式，比已有文献的四阶差分格式提高了精度。 - There is an undetermined coefficient C, in the mild slope equation considering the effect of high-order term, which is assumed as a constant.
其中，在考虑高阶项影响的缓坡方程中，存在一待定系数C1，并假定C1为常数，通过不断调整C1的取值来分析其对改进后的缓坡方程非线性性能的影响。 - The shell stress for each layer can be derived from the undetermined coefficient in its flexibility equation obtainable by analysing and calculating the shell boundary conditions and roof boundary conditions for arc/ floating roof tanks.
通过对拱顶油罐、浮顶油罐的罐壁边界条件、罐顶边界条件的分析计算，求出各层壁板挠度方程中的待定系数，便可得出其应力。 - The difficulty in decomposing rational function into partial fraction is to fix the undetermined coefficient in partial fraction.
将有理函数分解为部分分式的难点就是确定部分分式中的待定系数。 - Based on the undetermined coefficient method, a cubic B é zier curve was formed, which was then used for construction of a C-shaped transition curve between two circles.
使用待定系数法找到一条Bézier曲线，可应用在道路C型缓和曲线的构造中。 - Through analyzing the experimental data and matching work, a relation curve was acquired from the experiment by which we can get the undetermined coefficient of the theoretical relation and finally obtain the quantitative relation between permeability and confined pressure in the micro-fracture and low-permeability rocks.
通过对实验数据的分析整理，拟合得出实验关系曲线，从而确定了理论关系式中的待定系数，进而得到了发育微裂缝低渗透岩石渗透率随围压变化定量关系式。 - An undetermined coefficient constructive method for solving spectral problem
构造谱问题的一种待定系数法 - With reference to the characteristic of variation of data obtained from finite element calculation, by selecting proper type of formula and deciding undetermined coefficient with regression method, a practical formula for strength checking of a diamond bit is derived.
根据专业知识，参考有限元计算获取的各组数据变化特征，选出拟合较好的公式类型，再采用回归分析方法确定待定系数，最后得出工程上实用的金刚石钻头强度验算公式。 - Undetermined Coefficient Method and its Proof for Linear Difference Equations with Order 2
二阶线性差分方程的待定系数解法及其证明 - Undetermined coefficient method and its proof for non homogeneous linear ordinary difference equations are systematically given.
从三个方面，系统地给出了二阶常系数线性非齐次差分方程的待定系数解法及其证明。 - By taking the minimum absolute of the difference between the measured drive ratio and the calculated drive ratio as the optimum seeking object, and by adopting two L49 ( 78) orthogonal table and taking undetermined coefficient as assumed experiment factor, the simulation experiment is conducted.
以实测传动比与计算传动比之差的绝对值为最小作为优选目标，采用两套L49（78）正交表构成内侧和外侧表，以待求系数作为假设的实验因素，安排模拟实验。 - A new higher accuracy scheme named as ILF ( Improved Leap-frog) scheme is developed by ( using) the undetermined coefficient method to improve Leap-frog scheme. The new scheme includes both conservative and non-conservative forms.
运用待定系数法，对Leap-frog格式进行了改进，构造出一新的高精度ILF格式，新格式有非保守型和保守型两种。 - After getting the estimated value undetermined coefficient, we can try to get the project output, and then we can get the technical efficiency of every input unit.
在得到待定系数的估计值后，可求得理论产出，进而可以求得各投入单元的技术效率。 - The response of two-degree-of-freedom undamped systems to harmonic excitations and to general initial conditions is presented by the undetermined coefficient method. The coordinate transformation is applied to demonstrate that dynamic vibration absorbers cannot eliminate vibration of the principal system for general initial conditions.
用待定系数法给出了一般初值条件下无阻尼两自由度振系对简谐激励的响应，并用坐标变换法证明在一般初值条件下动力吸振器不能完全消除主系统的振动。 - Constructing square conservative difference scheme by means of undetermined coefficient
用待定系数法构造平方守恒差分格式 - Using Undetermined Coefficient Method to Balance Complicate Oxidation-Reduction Reaction Equation
用待定系数法配平复杂氧化还原反应方程式 - The conventional method for designing compound torsional vibrating horm, is that the undetermined coefficient is solved and the frequency equation is derived by use of equal angular displacements and equal force moments in each interface of partial shape function horn.
传统设计复合扭振变幅杆的方法是利用各形状函数杆之间的角位移连续和力矩连续的边界条件，来确定方程中的待定系数，导出频率方程。 - The undetermined coefficient of the model is selected by using the orthogonal optimum seeking method, thereby the quantitative relation of the model is determined.
用正交优选方法优选模型中的待求系数，确定了模型的定量关系。 - To Compute the Determinant with the Method of Undetermined Coefficient
用待定系数法计算行列式 - A compact type high-order difference method based on symmetry undetermined coefficient is presented for the solution of the two dimensional Poisson equation. In particular, the general different methods with fourth-and sixth-order compact schemes for the equation are set up.
利用对称性和待定系数的基本思想，提出了数值求解泊松方程的一种新的高阶紧致差分方法，构造了二维泊松方程的四阶和六阶紧致差分格式。 - Nasal obstruction coefficient is considered as a function of the nasal airway dimensions. The undetermined coefficient is identified by curves fitting for the data of geometry dimensions and obstruction coefficients.
对鼻腔阻塞系数和鼻腔结构几何数据进行分析对比，建立气道几何尺寸与鼻腔阻塞系数的关系式，并确定其中的待定系数。