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- theory of modal analysis 模态分析
- Based on the theory of modal superposition and power series expansion, a modal superposition method for the sensitivity analysis of FRF is proposed in this paper. 基于模态展开和幂级数展开原理，提出了一种频响函数灵敏度分析的模态展开法。
- Latest advance for several kinds of modal analysis methods for dielectric waveguide is reviewed. 综述介质光波导中模式分析方法的最新进展。
- The container crane dynamic load coefficient dynamics model is built and its analytical result by the method of modal analysis is achieved. 摘要建立确定大型岸边集装箱起重机起升动载系数的动力学模型，并用模态分析法求得其解析解。
- Tested results of modal analysis agree well withtested ones, which proved the feasibility of RVE model to calculate structure ofcomposite wallboard. 振型分析结果与测试结果比较吻合,表明RVE模型用于计算复合墙板的可行性。
- This article,based on the principle of modal analysis in testing,describes the application of modal analysis on the blade used in Ex high efficiency &save energy disrotatory blower fan for coalmine. 文章在介绍试验模态分析原理的基础上,对高效节能矿用防爆对旋主通风机用叶片的模态分析的应用进行了叙述。
- The paper described the application of modal analysis to shock dynamics analysis,deduced the formulaes,and proved the independence from the mothed of normalization to the result of modal. 本文论述了模态分析在冲击动力学分析中的应用;对其公式进行了推导;论证了模态的正规化方法与结果的无关性.
- A methodology was put forward for damage location, and damage simulating as well as numerical calculation of modal analysis was carried out on a truss plane bridge by stiffness discount. 摘要推导了基于测试频率平方变化比的损伤定位方法，利用有限元方法对一管道结构以刚度折减法进行了损伤模拟和模态分析数值计算。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Do you agree to the wave theory of light? 你同意光的波动理论吗？
- He cavalierly dismisses the theory of both Freud and Jung. 他傲慢武断地斥贬佛洛依德和杨格二人的理论。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。
- The content and process of modality analysis and dynamic design mentioned in the thesis may provide a theoretic basis for the design of the cutter. 所述模态分析和动态设计的内容和步骤,可为采煤机截齿的设计提供理论依据。
- The finite element modal analysis of fan axis is discussed. 对某鼓风机轴有限元模型进行了模态分析。
- Analysis on the theory of the EFP. 财政政策有效性理论剖析。
- Algorithm of modal theory of anisotropic medium gratings 各向异性介质光栅的模式理论算法
- Not everyone can understand Einstein's Theory of Relativity. 不是每个人都能读懂爱因斯坦的相对论的。
- Darwin spend more than twenty year work on his theory of evolution. 达尔文花了二十余年时间研究他的进化论。
- He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律，给人以深刻的印象。
