计算结果表明增加径向基函数的项数并不是改善结果的好办法，应该将更多的函数引入双互易边界元法中。
The numerical example shows that increasing the item of radial basis function is not a right way to improve the accuracy of results, and more approximation functions should be employed in the DRBEM.
在综合大量实例的基础上，提出双高斯函数逼近多模光纤的光脉冲输出的解析近似方法，使时域法确定光纤带宽的精度大为提高。
On the base of a plenty of facts we suggested a method in which bi-Gaussian form is approached the output pulse in multimode fibers The accuracy measuring band in time domain can be improved highly.
依此原理，模拟了双高斯分布函数的投影，并由平行束卷积法重建出模拟的温度场。
On this foundation, it simulates the projections for double Gauss distribution function and reconstructs the simulating temperature field by the convolution method for parallel beam.
应用半权函数法求解双材料界面裂纹的应力强度因子，得到以半权函数对参考位移与应力加权积分的形式表示的应力强度因子。
Semi-weight function method is used and developed in this paper to solve the problem of two bonded dissimilar materials containing a crack along the bond.
对双曲函数法进行了探讨，且对其进行了推广。
We studied the hyperbola function method and generalized it.
用双曲函数法，成功得到了非线性浅水长波近似方程组的精确孤立波解。
We successfully derived some exact solitary wave solutions of the nonlinear approximate equations with long waves in shallow water by using the hyperbola function method.
利用扩展的双曲正切函数法获得了(2 +1)维长波短波共振相互作用方程的多组新显式精确行波解。
Applying the modified extended tanh-function methods, many types of new explicit traveling wave solutions of the (2 + 1) dimensional long wave-short wave resonance interaction equations are obtained.
本文提出了一种用三次样条函数模拟双次标准加入法测量方程，直接求解离子浓度的自动算法。比较了三种不同边界条件下用模拟函数计算离子浓度的结果。
An automatic algorithm for directly Determining the ionic concentrations by simulating the measurement equations of the double standard addition using the cubic spline function, has been presented.
利用应力函数法将精确解按双无穷级数展开。
An exact solution is developed in terms of doubly infinite series, using a stress-function approach.
统计试验结果表明，修改后的双权函数法无偏性方面优于矩法，有效性与矩法相当；
The Monte Carlo simulation shows that the present method is better than the Method of Moment (MOM) in unbiasedness, and is generally comparable to MOM in efficiency.
在耦合腔中采用传递函数法进行双水听器接收复声压的一致性校准，并采用易地交换测量消除声场不均匀性的影响。
And the influence of the uneven acoustic field upon the calibration is cancelled by the means of a reciprocal measurement technique.
在耦合腔中采用传递函数法进行双水听器接收复声压的一致性校准，并采用易地交换测量消除声场不均匀性的影响。
And the influence of the uneven acoustic field upon the calibration is cancelled by the means of a reciprocal measurement technique.
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