特性指标

• Through cluster of some feature index that real estate items has being build up , in order to sum up the regional adaptability of the items . it can be reference impact when you are making some choice of regions
  动态聚类分析是通过对已建成房地产项目的关于某些特性指标的聚类，总结出项目对地区的适应性，在决策中进行区位选择时，起到一定参考作用。
• In this more global framework , it would be surprising if the characteristic parameters of the slow instabilities that span a large range of scales ( duration , dimension and amplitude ) did not obey a power - law distribution , just as earthquakes do
  在这种更加全球化的框架下，如果跨越很大标度期间、尺寸大小和放大倍数的缓慢的不稳定性因素的特性指标不遵循动力法则分布，象地震进行的那样，那才令人奇怪呢。 ”
• Using the post processing tools of this cfd software , this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution , adopting air diffusion performance index ( adpi )
  利用cfd软件的后处理工具对不同送风方式以及不同工况下的变风量空调室内的温度场和速度场进行了分析，最后采用空气分布特性指标对空调室内的气流组织进行了综合评价。
• Based on the analysis of biomechanics behaviour of man - machine interface in automobile driving , the characteristic parameters of body pressure distribution on automobile seat and the surface electromyography ( semg ) parameters of simulated driver ' s back muscle fatigue are presented
  摘要基于汽车乘驾体位生物力学特性的分析，提出了表征人座椅界面体压分布的特性指标和模拟驾驶疲劳时人体表面肌电信号的分析参量。
• For this reason , on the basis of our recent study of important firm characteristic indicators affecting stock returns in chinese stock markets , a proper stock pre - selecting scheme and a new two - stage investment decision making method are proposed in this paper
  为此，本文基于作者新近结合中国股市特性并采用新方法所确定影响中国股票收益的多个公司基本特性指标，设计了一个恰当的股票预选策略，并由此导出了新型而稳健的投资组合选择两阶段法。
• The thermocline reflects the ocean temperature field ' s important physics characteristics . it has important influence on underwater communication , submarine activity as well as fishery farming and fishing . it has close relations with branch subjects such as ocean current , water mass , inside wave , sea and air exchange
  温度跃层是反映海洋温度场的重要物理特性指标，对水下通讯、潜艇活动及渔业养殖、捕捞等有重要影响，并与海洋环流、水团、内波、海气交换等分支学科关系密切。
• In addition , the approximate formula for coefficient k p , ki , kd is also suggested by using characteristic index of forecast control . finally , through emulation , the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic . the availability of the strategies and stability of systems are proved by doing some analysis and simulation
  然后利用根轨迹的方法分析了拥塞控制系统的稳定性,并在此基础之上采用广义预测控制方法所应用的特性指标求出了k _ p , k _ i , k _ d的近似计算公式。
• The significant investigation result of this paper are as follows : in the first chapter , we firstly introduce the basic concept and important electrical characteristics of digital to analog converter and bandgap reference , review the historical progress of electric filters , summarize the methodologies and implementing techniques of filters , and then analyze the practical circuits realization of filters and unrealistic impact factors on performance of filters , finally , we set forth significance of this studying problem and main research work of this paper
  并将其成功地应用于通信集成电路上，取得了令人满意的实际应用成果。本文的主要研究成果如下：第一章：首先介绍了数模转换器的基本概念及其关键特性指标，接着综述了模拟集成滤波器的发展简史、设计方法和实现技术。然后分析了滤波器实际电路实现及其非理想因素对其性能的影响，阐述了本课题的研究意义以及本文所做的主要研究工作。
• The paper gives the capacity guideline on the foundation of the requirements of the high - frequency dc module in the power system , compares various dc topologies , selects the appropriate circuit topology for the dc - dc module , emphasized its detailed constructure , devised the main circuit , the control circuit , the power circuit , soft - start and protection . finally the required module comes into being and passes the verification
  本文根据对电力系统的直流电源柜中高频dc - dc模块的具体要求制定其特性指标，通过对各种dc - dc拓扑结构进行分析比较，选择了合适的dc - dc模块的电路拓扑结构，并对此拓扑结构的电路进行了详细的分，设计了主电路、控制电路、电源电路、软启动和保护等，最后实现了模块的制作，通过了测试。