Based on the model of soundboard parameter finite term for violin, the article analyzed the radian parameter of both faceplate and soleplate of violin resonator influence upon the librations features.
文章在建立小提琴共鸣箱参数化有限元模型的基础上，分析了共鸣箱面板和底板的弧度参数对其振动特性的影响。
Based upon finite element simulation analysis, load tests and long-term observation, a detection and evaluation system for old steel bridge safety was developed in this thesis.
本文以桥梁仿真分析技术为主线，以整治效果为目标，以荷载试验和长期观测为检验手段，建立了既有钢桥裂纹安全检测评估系统。
This paper inserts grey system, makes use of finite time series, follows GM (1, 1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.
本文引入灰色系统理论，利用有限的时间序列，按照GM(1,1)建模方法，建立起黑龙江省污水总量长期预测模型。
In this paper it is pointed out that the equation of field lines of a magnetic multipole with any order and degree can always be analytically expressed in term of finite form.
本文证明任意阶次磁多极子场力线方程总可以用有限形式解析地表示，并对偶极族和四极族磁多极子场力线的位形给予注记。
For the slow diffusion equation with the source term, we also obtained the finite propagation property of solution.
此外，对于具有源项慢速扩散方程，得到了解的有限传播性质。
The models of the nonlinear radial flow for the infinite and finite reservoirs including a quadratic gradient term were presented.
考虑了二次梯度项影响的非线性径向流动问题的无限大地层和有界地层渗流模型。
The models of the nonlinear radial flow for the infinite and finite reservoirs including a quadratic gradient term were presented.
考虑了二次梯度项影响的非线性径向流动问题的无限大地层和有界地层渗流模型。
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