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- Modal frequency and vibration response of the gear box are computed by structural FEM with a 3-D FE model. 建立齿轮箱三维有限元模型，采用结构有限元法计算齿轮箱模态频率和振动响应。
- The paper analyzes influence of hanger component weight and load design method for pipe node movement,node restraint load,node code stress and pipe system modal frequency. 本文通过大量的计算,分析了支吊架零部件重量及吊零方式对管道位移、载荷、应力、模态频率和弹簧型号的影响。
- Our results show that FSI affects the system modal frequencies seriously, but mode shapes slightly. 结果表明，流固耦合作用对系统模态频率的影响较大，对系统模态振型的影响较小。
- The effects of the prestress force on the modal frequencies and dynamic responses are discussed. 讨论了预应力对梁固有频率和受迫振动响应的影响。
- In general, this method can be applied to the structural components, for which the modal frequencies are not populated densely, such as the blades in turbomachinery. 原则上，所发展的方法对其固有频率相对不太密集的构件更为适用，如涡轮机械中的叶片。
- Modal frequency calculation for liquid-filled elbow pipe 充液弯管的模态频率计算
- In order to solve all modal frequencies, ymmetric and antisymmetric conditions of deformation can be used.As two examples, a rectangular plate and a square one are calculated and discussed. 为求解所有频率，可利用变形的对称和反对称条件，以矩形的和正方形的板结构为例进行了计算和分析。
- The modal properties including modal frequencies and mode shapes of the torsional oscillation system were calculated and analyzed with eigen analysis and impedance matching method. 用特徵分析和阻抗匹配方法对系统各个模态固有特性包括固有频率和振型进行了对比计算和结果分析。
- STRUCTURE DAMAGE MONITORING BASED ON SUPPORT VECTOR MACHINE AND MODAL FREQUENCY 基于支持向量机和模态频率的结构损伤诊断
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Time-Varying Modal Frequency Identification by Using Time-Frequency Representation 应用时频表示进行结构时变模态频率辨识
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- IDENTIFICATION OF MODAL FREQUENCY AND WEAK MODAL OF MACHINE TOOL VIA DDS METHODOLOGY 用DDS方法识别机床模态频率和薄弱模态
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- The fact, state, or quality of being modal. 形式作为一种形式的事实，状态或性质
- Are the melodies modal, tonal, or post-tonal? 他们是中古教会调式，音调得，后音乐调式?
- Can be used in conjunction with modal verbs. 还可以搭配一些表示心理活动的动词。
- Continues a window's modal status. 继续一个窗口的模式状态。
