American federal government made a lot of efforts to conquer the difficulty of cyclical unemployment and inflation.

The comprehensive switching control is carried out by the control strategy of combining transformer load with transformer temperature and the change rate of temperature. The cyclic operation of cooling unit group is controlled by the principle of accumulated operating time balance.

装置以变压器的负荷、油面温度与温度变化率相结合的控制策略进行冷却器的综合投切控制，以冷却器组的累计运行时间基本均衡为原则进行冷却器组循环控制。

Firstly, we make use of the natural divisibility of logging curves to find relatively stable cyclic boundary dividing unit, identify four major categories and ten kinds of micro-facies and models, and a detail geological description was given.

首先，利用测井曲线的自然可分性，寻找相对稳定的旋回界限划分单元，识别出四大类、10种微相及模型，并进行精细地质描述。

The main work and conclusions were as follows: Cyclic mechanical strain unit was improved.

主要内容和结果如下：改进了周期性基底膜拉伸应变装置。

The Mathematical Model of Optimum Method for Peak and Cyclic Unit Load Distribution

火电调峰机组负荷分配优化的数学模型

Cyclic Unit Metal Component Problems Analysis& Monitor Methods

调峰机组金属部件问题分析及监测手段

Only when Sn content in Pb-Ca alloy was more than 0.6wt%, its anodic dissolution of Sn could been observed from cyclic voltammogram and had effect to eliminate the premature capacity loss.

当Pb&Ca合金中锡含量超过0.6%时才可能从循环伏安图观察到锡的阳极溶解，才能起克服早期容量损失的作用。

It was found out as far as the maximum channel delay is less than the cyclic prefix, the effect of timing synchronization errors i.e. ISI is drastically reduced.

仿真结果表明，只要最大信道延时小于循环前缀的长度，定时同步错误所引起的码间干扰将大幅降低。

Results showed that LPG cyclic injection has remarkable effect on improving the heavy oil recovery rate and it explores a new way for heavy oil recovery.

研究结果表明，LPG吞吐开采稠油效果显著，为稠油开采技术探索了新的途径。

The experimental results proved that ( 1) there is an additional cyclic strain hardening effect caused by non-proportional loading, and ( 2) the relative orientation between maximum shear plane and free surface plays significant role on fatigue life.

非比例加载引起的附加循环硬化；（2）最大剪切平面与自由表面相对取向对疲劳寿命的影响；

It is justified that the maximum cyclic shear effect plane of the specimens in triaxial liquefaction test and-simple shea'r liquefaction test and of soil elements under general plane strain condition can only be determined by static stress components and is undependent on cyclic stress.

对于三轴液化试验、简切液化试验的受力条件和平面应变状态下土单元的受力条件，证明了最大往返剪切作用面的位置只由静力有效应力分量来确定而与往返应力无关。

Cyclic softening effect of high current multiple pulses on strain controlled low cycle fatigue of α-ti

大电流多脉冲对α-Ti低周应变循环的软化作用

In this whole process of comp Heated remodeling and reforming, the good cyclic effect is prevailing over the bad one all the time, and new cyclic conditions are to be finally "stabilized".

在这个复杂的再塑与改造的全过程中，良性循环始终战胜着恶性循环的效应，最后趋于新的稳定。

The birth of recycle economy takes profound ecology as its theoretical basis, showing three ecological theories: principle of cyclic regeneration and energy flow, principle of substance accretion and environmental capability, and principle of sustainable output and ecological position.

循环经济的提出有其深刻的生态学理论基础，其中蕴涵的生态学原理主要体现在三个方面：循环再生和能量流动原理、物质共生和环境容量原理、持续产出和生态定位原理。

Producing vast production and waste while lacking cyclic regeneration capability;

产生大量产品和废物，缺乏循环再生能力；

The presented algorithm introduces four kinds of rigid body reducing mode which solves the cyclic constraint problems effectively.

该算法通过引入四种刚体规约模式，有效地解决了循环约束的问题。

The surface fatigue is induced by cyclic stress.

循环变化的接触应力产生的表面疲劳磨损机理。

Experimental study on shearing deformation behavior of saturated clay under cyclic stress

循环应力下饱和黏土剪切变形特性试验研究

Relationship of cyclic stress-strain and damage for low-cycle fatigue

低周循环应力&应变关系和损伤

Experimental investigation on the cyclic stress ─ strain characteristics of 0.35% carbon steel

35钢循环应力应变特性的实验研究

Study on Cyclic Stress Relaxation Mechanism of Elastic Material

弹性材料动态应力松弛机理的研究