The minimum effective period of structures is conside.
该方法建立在结构屈服位移可由几何尺寸确定的基础上,根据不同水平地震作用下的目标设计位移,计算相应的延性系数,采用一定的Rμ-μ-Tn关系建立相应的非线性反应谱,以二折线模型模拟结构的性能曲线,然后根据结构不同的目标位移以及对应的非线性反应谱确定相应的有效周期,从中选择最小值作为设计结构的有效周期,根据有效周期计算结构的刚度,然后乘以屈服位移得到结构的屈服强度。
The life cycle of a check begins when the drawer writes a check and delivers it to the pages.
支票的有效周期始于出票人开好支票，交给受款人之际。
New Characteristics of China s Economic Cycle and the Validity of Anti-cycle Economic Policy;
中国经济周期新特征与“反周期”经济政策有效性
Can you hold ( make ) the offer firm until meet friday ?
贵方报盘有效期能否保持到下周五呢?
Study on Optimum Periodic Catching Problem of Species with Allee Effect
具有Allee效应种群的最优周期捕获问题
Validate final released software (decisions on development cycle)
验证最终发布的软件的有效性（取决于开发周期）
a bus pass valid for one week, for ten journeys
有效期为一周、 为十趟旅程的公共汽车乘车券
Optimization Models for System Life Cycle Cost and Availability
系统寿命周期费用与有效度的优化模型
Study on the Effectiveness of China s Macro-Control on Smoothing Cyclic Fluctuation;
我国宏观调控对平滑周期波动的有效性研究
An Effective Method for Analyzing Multilayered Periodic Array Structures
一种分析多层周期阵列结构的有效方法
Research on the effective value detecting device of non-sinusoidal period signalbased on MSP430
基于MSP430的非正弦周期信号有效值检测仪表研究
Length of Effective Buds and Subculture Cycle of Bud Micro-propagation in Eucalyptus
桉树微芽繁殖有效芽长度与继代周期的选择
We will adhere to this offer for...weeks.
我方报价...周有效。
By computer simulations and experimental tests, this control structure can reduce one and two tonal frequency noises.
通过仿真和测试表明，该控制结构能有效消除噪声中所含的单周期噪声和双周期噪声。
New Characteristics of China s Economic Cycles Since 1990 and the Validity of Anti-cycle Economic Policies;
20世纪90年代以来我国经济周期新特征及“反周期”经济政策的有效性
periodic protein
周期性蛋白[含有周期性重复序列]
Above offer valid two week ending june 4 5 pm
上述报价有效期为两周，至六月四日下午五时为止。
The following special offer is valid for... weeks only, kindly keep this in mind when placing your order.
下列特殊报价的有效期仅限...周，当贵公司发出订单时请注意。
A New Method of Measuring the True RMS of Nonsinusoidal Periodic Signals
高精度测量非正弦周期信号真有效值的一种新方法