基本域

Furthermore,the influence of parameters such as the horizontal power spectrum density, basic wind pressure,span and weight of the roof,damping ratio,terrain categories and support restraints,which are usually critical to the wind vibration factor,are also discussed.

本文基于随机振动理论利用有限元程序ANSYS对大跨度实腹式钢梁在频域内进行了风振分析，讨论了高阶振型、脉动风速谱、基本风压、屋盖重量、地貌种别、阻尼比和支座约束等相关参数对屋盖结构风振响应和风振系数的影响。

Based on the inverse kinematics, forward kinematics of six-bar parallel mechanism in beamline is obtained by trust region method for nonlinear optimization. The corresponding program with MATLAB language is also designed.

以六杆并联机构的逆运动学为基础，采用信赖域法对非线性超越方程组进行优化，编制相应的MATLAB程序，求解机构的正运动学，得到了动平台中心的运动轨迹和基本规律。

The stresses and displacements at any point in the foundation of semi-infinite extent can be calculated using these integral equations.

首先采用基本解建立积分方程，给出半无限域内任一点的位移和应力表达式。

This paper describes briefly the gist of the data processing and interpretation system for time domain "mise a la masse" method and deals in detail with its field application in two metallic ore districts within Sichuan Province.

简要介绍时间域充电法资料处理及解释系统的基本内容，并详细介绍了在四川省境内的 2个金属矿区的野外应用结果。

This paper describes briefly the gist of the data-processing and interpretation system for time domain "mise-a-la masse" method and deals in detail with its field application in two metallic ore districts within Sichuan Province.

文摘：简要介绍时间域充电法资料处理及解释系统的基本内容，并详细介绍了在四川省境内的2个金属矿区的野外应用结果。

Identification and selection of dominant vibration-modes contributory to wind-induced vibration response for large-span space lattice structures;2. The wind-induced vibration response of single-layer cylindrical shells is analyzed by frequency domain method in this paper.

运用频域分析法对单层筒壳进行风振动力响应分析，在基本参数(阻尼比参数、地貌参数、几何参数、支座高度参数)的常用变化范围内，进行大量的算例计算，然后对所得的计算结果进行统计分析，考察各参数对单层筒壳的风振响应及风振系数的影响，在此基础上提出单层筒壳抗风设计的实用方法。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。