负荷等级

并基于这一部分研究获得的单维度评估指标，运用人工神经网络模型中的概率神经网络和竞争型神经网络对虚拟维修训练系统中的认知负荷等级进行综合评估。

Based on the single dimension of the research , we assess the cognitive load level in the virtual maintenance training system synthetically by building the probabilistic neural network and competitive neural network .

本文引入了综合电压安全裕度的概念，以电网综合电压安全裕度最大为目标函数，计及了负荷等级、负荷量和参与调整设备数量的因素。

In this paper the concept of general extent of voltage security ( GEVS ) is introduced , and it uses the maximization of GEVS of power system as objective function , allowing for load level , load quantity and the quantity of regulators .

预测结果通过检验、分析和判定，最后确定了气象电力负荷等级划分的标准。

The predicted results have passed the statistical test , and meteorological electricity load standards are established .

在配电设计中，根据负荷等级，确定供电方式及系统方案；

In power distribution design , according to load rank , determination power supply way and system plan ;

对2003~2005年福州市夏季逐日气象电力负荷等级进行回代检验，结果表明该预测模型有较好的预报能力。在一气象观测场对空气中含有的微生物量进行了观测。

The back-substitution check on the day-to-day meteorological electricity load grades in summer from 2003 to 2005 in Fuzhou indicates that the model performs well .

本文根据负荷等级、电压类别、负荷特点、变压器安装场地条件和低压设备断流能力等方面，提出变压器台数的选择原则。

The principles for selection of transformer quantity are provided in the light of load degress , voltage levels , load properties , installing condition of sites , breaking capacity of low voltage equipments etc.

介绍了民用建筑供配电系统中常用应急电源的种类以及根据不同电力负荷等级对供电电源的要求，选用不同类型应急电源的配置原则。

The categories of emergency power supply generally used in the electric power supply systems in civil buiding and the setup principles of selecting different types of emergency power supply according to the different electric power load were introduced .

随着电网负荷增大和电压等级提高，线路投切、负荷变化等将容易引起较大的无功功率变化，因此对电网无功和电压的调节、控制能力要求越来越高。

With the increasing of the load and existance of the higher voltage scale , the reactive power transformation caused by the line switching and load changing is more and more common . Therefore , the ability to regulate and control the voltage and reactive power should be advanced .

体育课运动负荷是否适宜可从体育课的脉率变化曲线、运动负荷量等级、机体反应和课后脉率恢复时间等4个方面进行综合分析。

Lessons is appropriate or not , based on analyzing four aspects below : during pulse class rate varying curve ; athletic load capacity grade ; organic reaction and pulse rate recovering time after class .