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- Finally the characteristics of the veh icle-track system random responses are obtained. 最终得到了车辆-轨道耦合系统随机振动的基本规律。
- The stationary random responses of complex 3D structures subjected to spatially coher-ent excitations are investigated and the pseudo-excitation algorithm is derived. 研究了复杂结构的空间部分相干多点激励平稳随机地震响应。
- Based on the micro-amplitude vibration equation of friction pendulum systems FPS, the steady-state random responses of FPS to Gaussian white noise actions are forecasted by means of the equivalent nonlinear system method. 摩擦摆系统（FPS）的微幅振动方程，运用等效非线性系统法预测了FPS系统对高斯白噪声激励的稳态随机响应。
- The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated. 推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
- An actual isolated structure was taken as its numerical example, and the advantage of identification of equivalent parameters for simplified isolated model using random responses is exhibited. 文末采用一个实际隔震工程作为算例，显示了采用结构随机响应进行隔震结构简化模型等效参数识别的优越性。
- This thesis presents a nonstationary random response study of lattice shells under multi-support and multi-dimensional earthquake excitations. 本文对网壳结构多维多点非平稳随机地震响应进行了研究。
- structural stationary random responses 地震响应
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- evolutionary non-stationary random responses 演变非平稳随机响应
- The random response of the non-linear system with parameter at random under the determinate load are studied by using the perturbation law and central differential dividing law. 摘要应用摄动法和随机中心差分法，研究了具有随机参数的非线性系统在确定性荷载下的随机响应，得到了均方响应的一种近似迭代关系。
- Analysis of random response of monodirectional eccentric vibration-isolative structure was conducted by means filtered white-noise earthquake model and virtual excitation. 摘要利用过滤白噪声地震动模型，应用虚拟激励法对单向偏心隔震结构进行了随机响应分析。
- A theoretical solution on nonstationary random response of SDOF system to ground motion caused by explosion seismic is proposed by means of the theory of evolutionary spectra. 在给定结构固有频率和阻尼系数条件下,得到了单自由度系统的爆炸地震位移响应功率演变谱和均方根位移理论解。
- In chapter 3,the relationship of the parameters such as frequency ratio, mass ratio, damper ratio of mega_frame and substructure, and mean-square of random response is given . 3．在第3章，结合频域分析法和随机分析方法对单层巨型钢框架悬挂结构体系进行了主子结构间质量比、频率比、阻尼比等参数的优化分析研究。
- The 3-D FEM model of the vehicle and missile is established by MSC/NASTRAN to determine the design of the vibration system for a missile warhead by methods of random response analysis. 随后在MSC/NASTRAN软件中建立了导弹和运输车的三维有限元模型，在随机响应分析的基础上，提出了对导弹弹头运输过程中的减振方案。
- Study for the random responses of sliding systems with hard springs 硬弹簧滑移体系的随机响应研究
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- Chose a card at random from the deck. 从一副牌中任意选出一张
- K.H.Pollock, Yuksel Bek, A Comparison of Three Randomized Response Model for Quantitative Data[J] Jour. Amer. Stat. Assoc, 71(Dec 1976), 884-86. 孙山泽;孙明举.;数量特征的随机化回答模型[J];数理统计与管理;19卷6期57-59;20卷1期63-64
- By mere chance or fortune; at random. 碰巧; 胡乱地; 随意地
