查询词典 electric network

And the reasonable proposal for the construction the region electrical power system was put forwardThe power load forecast is the basis of the power system planning.With the actual planning of regional development,uses a scientific and effective load forecasting methods forecast plans the local load electric quantity,is an important work to the regional power system planning.This dissertation uses the BP algorithm, proposed a double hidden layer structure artificial neural network to the forecast ultra-short-term power system load.After the simulation with the actual data,the method which this dissertation proposed compared to the traditional linear extrapolation Prediction method average absolute percent error of 2.5 percentage points,ten minute load forecasts achieve the average absolute percentage error are smaller than 2.5%accuracy.

本文利用人工神经网络BP算法，提出了一种双隐层结构的电力系统超短期负荷预测方法，经过对实际数据的仿真实验，本文提出的神经网络超短期负荷预测方法比传统的线性外推法预测平均绝对百分误差降低2.5个百分点，十分钟负荷预测达到平均绝对百分误差小于2.5%的精度。

Company more than 60 varieties of high, medium and low-grade electric vehicles, sales network throughout the country, products in short supply.

公司现有60多个品种的高、中、低档电动车，销售网络遍及全国各地，产品供不应求。

With the development of the electric power industry, the structure of low-voltage distribution network and the customer properties change greatly.

随着电力工业的发展，低压配电网络的结构和用户性质都发生了很大的变化，对继电保护装置也提出了更高的要求。

This article discusses the significant degree of the network and microcomputer technology in the Electric Expense Management Information System.

本文论述了网络和微机技术在电费管理信息系统中的重要地位。

The computer network is a creation of the electric age , but it is based on old-fashioned trust.

计算机网络是电子时代的新生物，但它是建筑在旧式的信任基础上的。

With the development of electric technology and network technology, automatic protection and monitoring are wildly used in electrical system.

随着电子技术和网络技术的发展，综合自动化保护和监控设备在电力系统中得到了广泛应用，相应的对这些设备的电源可靠性也提出了新的要求，综合投资和运行维护两个方面的因素，提出使用一体化电源。

Conventionally the electric load forecasting can hardly attain a result whose accuracy meets what's required. A short-term load forecasting model is therefore developed to solve the problem, based on the process neural network of which the input is the function of time and the high forecasting accuracy is available. Describes the structure of the model, discrete data fitting method by the expansion of function orthogonal basis and learning algorithm.

针对目前常用方法在解决负荷预测问题时，结果往往难以达到工程要求精度的现状，利用过程神经网络输入为时间函数以及预测精度高的特点，建立了基于过程神经网络的电力系统短期负荷预测模型；给出了模型的结构，基于函数正交基展开的离散数据拟合方法以及模型的学习算法。

According to the requirement of bandwidth of the electric power information network, an approach is proposed to estimate the bandwidth based on queuing theory and quality of service.

在此基础上，结合电力信息网络对网络带宽的要求，提出了基于排队论和服务质量的网络带宽估算方法，并以IP电话为例，给出了详细的计算过程。

According to los angeles of Xinhua News Agency on June 17 company of technology of network of Mozilla of electric United States 17 days roll out formally there is what improve apparently on safety performance, speed and design " red fox racoon dog 3 " browser.

据新华社洛杉矶6月17日电美国Mozilla网络技术公司17日正式推出在安全性能、速度和设计上都有明显改进的"火狐狸3"浏览器。

The characteristic absorption spectrums of intracellular hemoglobin were detected and analyzed by ultraviolet spectrum scanning technique. The investigation indicated that complicated physiology regulates and controls process, such as red blood cell membrane elasticity deformation, Cyto-membrane liquid crystal state phase transition, the change of hemoglobin configuration, membrane cytoskeleton protein network reassembling or despiralization, and membrane surface electric charge density reapportion were directly influenced by the gentle changes of pH valve in autologous plasma environment. Further, the remarkable diversities of erythrocyte carrying-oxygen ability were appeared in the different pH conditions.

实验研究表明，红细胞弹性形变、细胞膜液晶态相变，胞内血红蛋白分子构型改变，膜骨架网络重新组装或解旋、以及膜表面电荷密度重新分配等复杂的生理调控过程与自体血浆环境中pH值的轻微波动直接相关，可能造成了不同pH条件中活性红细胞携氧能力显著不同。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。