波动的

The history of acknowledging the existence of business cycle fluctuation in economic development is not very long in China.

在我国，承认经济发展中存在周期波动现象的时间并不很长，由于众所周知的原因，在改革开放之前，人们对我国经济发展过程中出现的周期波动现象一直。。。

In chapter two, this paper has made and explained operation course, the definition of the security investment fund and net value computing technology of the security investment fund at first; this paper uses time the analytical method of the array to analyse the array of net value of the fund, divide which into secular trend array , season index array , circulation fluctuate index array and random fluctuate index array and analyse them respectively.

在第二章，本文首先对证券投资基金的运作过程、证券投资基金的定义及净值的计算方法作了阐述，随后本文运用时间序列分析方法对基金净值序列进行分析，将其分解为长期趋势序列、季节指数序列、循环波动指数序列和随机波动指数序列并分别对其进行分析。

At the same time, the volatility of the stock returns was found to be the determinants of the volatilities of consumer price index and exports.

同时，股票市场上的波动影响的主要是消费者价格指数和出口额的波动。

The temperature and shear stress undulate in the contact areas. It is shown that wear is not uniform in the time history and friction heat accelerates the birth of corrugation.

滑行运动中接触区温度和剪应力呈现出波动特性，这表明了滚滑接触中摩擦状态的不均匀性，温度场的波动加速了波磨的形成。

This paper mainly studies the technique of the width control of E2 edger mill which belongs to Panzhihua Iron and Steel Industry. It introduces the development of the technique. In addition, this paper describes the Automatic Width Control technique in detail, including the composing and the control principle of the AWC hydraulic system.

本文主要研究了攀钢E2轧机的自动宽度控制液压系统，介绍了宽度控制的发展概况，并详细论述了E2轧机宽度自动控制系统的组成及原理——针对轧制力变化引起立辊轧机有载辊缝波动而相应调节侧压位移量以补偿辊缝波动。

The power consume of the lighting source is less than 2.0W, only 20 percent of the traditional lighting source which consisted of cool cathode fluoresces lighting.

环形光源额定功率仅为2.0W左右，约为传统CCFL光源的20％，在电源电压发生波动±5％波动时，发光强度的变化小于±5％。

RESULTS Before pericar-dial effusion,the diastolic pressures of ventricles and pul-monary pressure pulsated with intrathoracic pressure,and pressures of carotid vein and femoral vein were stable.

通过制作狗的心包积液模型，描记积液前后胸内压、左右室舒张压、外周大静脉压及肺静脉压的呼吸性波动曲线，计算其波动值并进行统计学处理。

Compared with Figure 6, one can see, as time progresses, the time Reverberation-Chamber fluctuations reduce the average electric field value, and gradually become stable, while the rectangular cavity resonance due to its role in the convergence very slow wave, volatile .

通过与图6比较，可以看出，随着时间的推进，混波室的时间平均电场值波动减小，逐渐趋于稳定，而矩形空腔由于其谐振作用，波形收敛很慢，波动很大。

The sub-systems composed of flexible fin ,mechanism,control system,actuator were designed in detail.

单柔性长鳍波动仿生推进器是一种模拟鱼类&尼罗河魔鬼&的长背鳍波动推进方式而设计的新型水下仿生推进装置。

The testing result indicated that in a temperature range of -15℃ to 55℃,it restrained the temperature fluctuating of SLD.

测试结果表明：在变温环境下(-15℃～55℃)，抑制了光源的&交越失真&现象，实现了光源平均波长波动0.014%，光功率波动0.4%的控制准确度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。