During the process of hydraulic synchronization and accumulative sliding in steel roof of National Stadium,some measures including computer synchronous control are adopted to make steel roof perch with high efficiency,smoothly and exactly through rationally setting up slide way and sliding propeller.
国家体育馆钢结构屋架液压同步累积滑移过程中,通过合理设置滑道、滑移推进器,采用计算机同步控制等措施,使钢屋盖高效、平稳、准确就位。
Combing the construction mechanics and the control of the initial length of cables,this paper proposed a calculation method for the accumulative sliding construction of pretensioned reticulated structures.
将施工力学与控制索原长法相结合,提出了预应力网壳结构累积滑移施工中的计算方法。
Measurement of volume displacement of vibration structure based on PVDF piezoelectric sensors;
基于PVDF压电传感器测量振动结构体积位移
With a shown example of simple supported plate, a new piezoelectric sensor design is presented to measure volume displacement.
以简支板为例 ,提出一种新的压电式传感器的设计方法测量体积位移 通过在板表面布置一组相同形状的矩形PVDF薄膜作为传感器 ,然后通过对这组PVDF传感器的输出信号设计相应的加权系数 ,使加权后输出信号之和等于体积位移 研究表明这种传感器设计方法与辐射体表面上的外激励力性质 (如激励力类型、频率以及位置等 )无
With the example of vibrating beam of difference boundary conditions,a new methodology is presented to design volume displacement sensor using shaped PVDF film on the basis of mode orthogonal property and integration in parts approach.
以不同边界条件的振动板为例,提出利用模态方法和分部积分方法设计PVDF传感器测量体积位移。
The essential processing algorithms: moving integration, orthogonal polynomial fitting and peak finding are investigated and analyzed.
通过仿真和电路设计试验,分析了数字核信号的移动积分、正交多项式半高斯波形拟合算法和峰值寻找算法,使用环形存储器实现了信号触发后的不同记录方式,使用Dither法改善ADC的微分非线性,以及多级流水线结构设计可以减少系统死时间等。
With these programs the transfer functions and integral displacements of the test model were obtained.
结合振动台试验 ,利用MATLAB语言及其工具箱函数为工具编写了两个程序 ,得到模型传递函数和积分位移 ,与专业软件得到的结果吻合很好 ,可代替专业软件或动态信号分析仪的部分功能 ,并且可以进一步应用到其他动力试验中
Dual Kinematic Formulas on Translative Integral Geometry
平移积分几何中的对偶运动公式(英文)
movable pore volume
流体可驱移的孔隙容积
The virtual displacement method specifies that the sum of the shaded areas is equal to the sum of the stippled areas.
虚位移法规定阴影面积之和等于点画面积之和。
To avoid confusion, the product of a force and a displacement will be called a work product.
为了避免混乱，将力和位移的乘积叫乘积功。
Bed Load Agradation in Reservoir and Depostion in Variable Backwater Region
水库推移质淤积、变动回水区淤积及回水抬高
portability of accrued retirement benefits
容许累积的退休福利转移
Small volume, light weight, movable, and can be hooked.
体积小，重量轻，可移动，可吊挂。
For them, there are hardly any legal tracks across borders.
对输出国，移民的影响也较为积极。
Proactively facilitate the shift of textile industry from east to west.
积极主动承接东部纺织工业产业转移。
We usually define work as the product of force and distance
我们通常把“功”定义为力与位移的乘积。
The parent material can be either transported or residual.
母料可能是转移而来或积聚起来的。
CALCULATION OF UP-LIFT DISPLACEMENT OF AEOLIAN-SAND SPREAD FOUNDATION
风积砂扩展基础的上拔位移控制计算
The Problem of Parametric Integration to the Slip Line Field in the Compression of Thick Workpiece
厚件压缩滑移线场的参变量积分问题
In the course of the years many books had accumulated in the house.
随着岁月的推移, 屋子里累积了很多书。
Numerical Simulation of Reverse Time Migration with Arbitrary Difference Precise Integration Method;
任意差分精细积分逆时偏移数值模拟
A Tentative Study of Positive Effects of Negative Pragmatic Transfer in English and Chinese;
英汉语中语用负迁移的积极影响初探
A Method of the Moment Diagram for Predicting the Deflection of Structure and Its Application;
结构位移计算的弯矩图面积法及应用
Covolume Method for Solute Spread in Porous Media Flow
多孔介质流溶质迁移的有限体积方法