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分界点
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  “分界点”译为未确定词的双语例句
    In order to minimize the total cost of electric power, the dividing line between intermediate load block and peak load block is fixed by an optimization process and later unit recommitment is necessary to achieve the final optimizing results.
    为了实现总体的购电费用最小,算法中对于腰荷段和峰荷段的分界点是通过优化来决定的,同时重新优化组合基荷机组,以便于实现总体的优化方案。
短句来源
    If the critical temperature is low than 40K,we call it low temperature superconductor, or it is high temperature supercondctor.
    超导材料分为低温超导材料和高温超导材料,40K是其分界点
短句来源
    The Levenberg-Marquardt method is used to realize optimal parameter estimation of the failure rate function, and the strict boundary which specifically distinguishes different phases of the failure rate are effectively determined.
    本文应用Marquardt法来解决故障率函数的参数最优估计问题,并确定不同故障期的严格分界点
短句来源
    For a long time, power grid enterprise focus on the production cost in cost management.
    新体系是在电网企业的框架内,以LCC为主线,以资产形成点为分界点,将企业总成本划分为战略成本、作业成本和制度成本三个阶段。
短句来源
    It is a complicated work to define the boundary of the 35kV and under 35kV rural power net improvement's property right and the boundary of the operation maintenance,and if the property right problem has not been defined,the power supply enterprise will accept tremendous economic damage.
    35kV及以下农网改造的产权分界点及运行维护分界点的界定是一项复杂的工作 ,如果不正确界定农网改造中的产权归属问题 ,将给供电企业造成不可估量的经济损失。
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  dividing angle
However, because of the fixed number of blades and fixed dividing angle between radial lines, other cases have to be calculated anew.
      


Considering some problems in current frequency measurement methods,a novel method for frequency measurement is presented. Based on the integration of frequency and period measuring method, this method utilizes software syntonization, two switch points and the lock gate period changed, and so it can to develop measurement accuracy and broad measurement range.

针对现有测频技术存在问题 ,提出一种新的测频方法 ,它是在测频测周的基础上 ,利用软件同步技术、测频测周双分界点及改变闸门时间的方法进行频率测量 ,从而大大提高准确度 ,扩大测量范围

It is a complicated work to define the boundary of the 35kV and under 35kV rural power net improvement's property right and the boundary of the operation maintenance,and if the property right problem has not been defined,the power supply enterprise will accept tremendous economic damage. The paper proposes the boundary of the property right and the operation maintenance responsibility in detail.

35kV及以下农网改造的产权分界点及运行维护分界点的界定是一项复杂的工作 ,如果不正确界定农网改造中的产权归属问题 ,将给供电企业造成不可估量的经济损失。文章就产权分界点及运行维护责任的原则阐明了观点

A study is made on the methods for calculation of the unsteady freesurface pressurized flow in tailwater tunnels with a sloping ceiling and their bodytype design, and an introduction is given to their operational characteristics. Based on the improved slot model, a transient flow calculation is performed to verify the scheme of canceling the tailwater surge tank at a largescale hydropower station, and a separation point treatment method for the unsteady freesurface pressurized flow is proposed. Aiming at...

A study is made on the methods for calculation of the unsteady freesurface pressurized flow in tailwater tunnels with a sloping ceiling and their bodytype design, and an introduction is given to their operational characteristics. Based on the improved slot model, a transient flow calculation is performed to verify the scheme of canceling the tailwater surge tank at a largescale hydropower station, and a separation point treatment method for the unsteady freesurface pressurized flow is proposed. Aiming at tailwater tunnels with different top and base slopes and different bottom widths, a comparative analysis is made on the calculated results under some adverse conditions. The results indicate that, by reasonable selection of the bodytype parameters, the tailwater tunnel with a sloping ceiling can replace the tailwater surge tank, so it is feasible to cancel the surge tank, and that the gradient of the top slope has a great effect on the tailwater system, while the effects of the gradient of the base slope and bottom width are relatively small.

对水电站变顶高尾水洞内明满交替流计算方法及变顶高尾水洞体型设计进行了研究,介绍了变顶高尾水洞的工作特点.采用改进狭缝法模型,结合某大型水电站取消尾水调压室方案进行瞬变流计算,提出了明满交替流分界点的处理方法.分别针对具有不同顶坡、底坡和底宽的变顶高尾水洞体型在不利工况下的瞬变流计算成果进行比较分析,结果表明,变顶高尾水洞具有一定的尾水调压室作用,若适当地选取体型参数可不设尾水调压室;顶坡对整个尾水系统的影响非常大,底坡和底宽的影响相对较小.

 
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