对应用程序的需求是不一致的，并会经历峰谷。
Demand for the application would be inconsistent and experience peaks and valleys.
尽管波动不算太大，却足以令峰谷之间产生差异。
Though the fluctuation is not vast, it is enough to make a difference from peak to trough.
对于股票市场来说，每年峰谷波动15%也不足为奇。
It's a nonevent for stock markets to swing 15% peak-to-trough every year.
现阶段，经济活动的峰谷差为4.1%，大大会超过了1957-58年经济衰退时3.7%的最低点。(1981 - 82年，下降不到3%)。
Economic activity now appears to have declined by 4.1% from peak to trough, easily outstripping the 3.7% dip observed in the downturn of 1957-58 (in 1981-82 the drop was just under 3%).
通过分析每个条纹升降的方式，系统软件在不到一秒的时间里就可构造出手指表面的三维模型，保证每个峰谷都处在各自合适的位置上。
By analyzing the way each line rises and falls, the software builds a 3-d model of the surface of the finger in less than a second, with each ridge and valley in its proper place.
应用系统动力学专用的仿真软件VENSIM对不同峰谷分时电价定价策略和不同响应类型用户进行仿真和比较研究。
Simulation and comparison studies of different peak and valley time price policies and different response types of users are carried out by simulation software VENSIM special for system dynamics.
我这里是基线分离度，但各论描述的是峰谷比。
I observe baseline separation when the monograph describes a peak-to-valley ratio.
结果表明有效的热补偿对镜面变形峰谷值有很大的影响，在非光照区进行热补偿可以大大降低镜体的温度梯度，从而明显减小镜面变形的峰谷值。
The results show that thermal compensation in non-irradiant areas could reduce the temperature gradient of mirror for high-power laser, and then could decrease the thermal deformation significantly.
数学形态学算法是基于信号局部特征的，可以有效地突出信号的峰谷点；
The mathematical morphology operator is based on the signal shape which clarifies the signal's peaks and valleys.
实际电网负荷预测的仿真结果验证了文中提出的相空间相关邻近点的选择方法与峰谷荷修正思想的有效性。
The simulation results of practical load forecasting show that the proposed method to select reference points and peak-valley load correction are more effective.
对于销售电价，本文认为市场建立初期，现行的以两部制为主、一部制为辅的销售电价制度应基本保持稳定，但应引入丰枯季节电价制度和峰谷分时电价制度。
On the initial stages of market, the retail power price should be hold out in an invariable level, besides being embedded in the peak valley price and the seasonal price.
详细地研究了不同区域的热补偿和不同的热补偿功率大小对镜面变形峰谷值的影响。
The effects of different thermal compensation areas and different heat power were discussed in detail.
峰谷分时电价作为需求侧管理的一种经济手段，其实施效果受多种因素影响。
As one of the economical means of demand side management, the implementation effect of peak and valley time price is influenced by various factors.
这样，廉先生通过使用便宜的峰谷电力可以节约开支，而电力公司销售了否则就要丢弃的电力。
Mr. Lim has thus saved money by using cheaper, off-peak power, and the utility has sold some power that otherwise would have been lost.
在此基础上，建立了峰谷分时电价系统动力学模型。
On this basis, a system dynamic model of peak and valley time price is established.
全部软件采用人机对话方式，提出了一种新的载荷峰谷值点求法，最后给出了一个完整的应用实例。
A new acquisition method of load peak and valley points is presented. At last, a complete application example is given.
该模型的建立将为今后峰谷电价政策的制定和实施提供有益的技术支持。
The establishment of the proposed model can provide the useful technique support for further establishment and implementation of peak and valley time price policies.
由于存在着峰谷电价差，发电量最大并不意味着效益最大。
Because of the price difference of peak and valley electricity, maximizing electricity is not equal to maximize benefits.
最后对短期价格弹性的特性进行了实例验证，并对所提出的季节性峰谷定价方法给出了数字算例。
In the end, the short-term price elasticity properties are verified by a real case study, and a numerical example is offered for illustrating the presented seasonal TOU pricing method.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
空调用电的急剧增加是造成电网负荷峰谷差不断拉大的主要原因。
The rapid addition of air-conditioning power consumption is the basic reason of the load peak and off-peak difference in network.
营口地区现行大工业电价的不完善使特殊行业用电负荷曲线出现大峰谷差、低负荷率的现象。
Theres a phenomenon of big peak and off-peak difference and low load rate in Yingkou region.
为了正确评价小水电站的经济性，提高其设计质量，提出了一种较好的峰谷电量计算方法。
This paper presents a better calculation approach of peak-valley electric energy for accurately evaluating economic-effectiveness of small hydro-power station in order to raise the design quality.
采用ANSYS有限元软件详细地研究了强激光作用下水冷硅镜的沟槽结构对镜面温升和变形峰谷值的影响。
The influence of the channel parameters of the water-cooled Si mirror on temperature and thermal deformation was simulated using ANSYS finite element analysis.
另外，本文还详细计算了蓄冷率、峰谷电价比对系统各项经济指标的影响情况。
At last, the influences of cool-storage rate and different electricity price to the economic indicators are discussed.
研究并确定上网侧和销售侧峰谷分时电价的数量关系（数学模型）；
The quantity relation (mathematic model) of use time pricing between selling side and generating side is studied and established.
随着广西电网电力需求迅速增长，负荷峰谷差日益扩大，系统迫切需要调峰容量。
With the fast increasing of power desire in Guangxi province and the enlarging of the load peak and off-peak difference, system needs peak regulation capacity urgently.
在I-V特性曲线上具有双微分负阻的三稳态共振隧穿器件，室温下可以达到较高的电流峰谷比5。
The tristable resonant tunneling devices(RTD)with a double negative differential resistance in its I-V characteristics have a high current ratio(5.
在I-V特性曲线上具有双微分负阻的三稳态共振隧穿器件，室温下可以达到较高的电流峰谷比5。
The tristable resonant tunneling devices(RTD)with a double negative differential resistance in its I-V characteristics have a high current ratio(5.
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