1) relative efficiency
相对效率
1.
The relative efficiency of the least square estimation in singular linear model;
奇异线性模型最小二乘估计的相对效率
2.
Analyzing isotopic abundance by method of relative efficiency;
相对效率法同位素丰度分析的研究
3.
The relative efficiency of the least square estimation in singular linear model;
奇异线性模型中LSE的一种新的相对效率
2) relative efficiencies
相对效率
1.
The relative efficiencies of a class of linear estimator with respect to generalized least square estimator in linear regression model;
回归系数一类线性估计与广义最小二乘估计的相对效率
2.
For the linear model with aggregated data,In this paper,we proposed definition of the Generalized Ridge Estimators and the Improved Generalized Ridge Estimators of the parameters and two kinds of relative efficiencies of the estimators,in rate of popularize Eucliden standard a sense and in rate of weighted Euclidean standard a sense.
对于聚集数据的线性模型,给出了参数的广义岭估计及改进的广义岭估计的定义,并提出了广义岭估计及改进的广义岭估计在推广的欧氏模之比意义下及加权欧氏模之比意义下的二种相对效率。
3.
The upper bound of the two kinds of relative efficiencies are obtained.
本文研究聚集数据的线性模型参数的有偏估计问题,在欧氏模之比意义下给出了参数的有偏估计的一个相对效率,并在加权欧氏模之比意义下给出了参数的有偏估计的一个相对效率,并得到了这两种相对效率的上界。
3) comparative efficiency
相对效率
1.
To analyze the relationship between fixed assets and productive efficiency of Chinese logistics companies,DEA-CCR/BCC modeles are used to describe an empirical analysis of comparative efficiency and scale efficiency of 28 Chinese logistics companies listed on the Shanghai,Shenzhen and Hongkong stock markets.
为分析中国物流企业固定资产规模与生产效率的关系,采用DEA-CCR/BCC模型对中国沪深港28家上市物流公司的相对效率和规模效率进行实证研究与分析。
2.
Then we bring forward a new way To mea- sure the comparative efficiency of Urbanization by means of it, and come to some conclusion.
本文阐述了数据包络法(Data Envelopment Analysis,简称DEA)的原理与方法,并给出了DEA方法应用于城市化相对效率评价的思路与结论。
4) efficiency
[英][ɪ'fɪʃnsi] [美][ɪ'fɪʃənsɪ]
相对效率
1.
An assessment of the relative efficiency of investment in science & technology——Positive analysis based on DEA;
基于DEA方法的我国科技投入相对效率评价
2.
For the general growth curve linear model Y = ABC+e,E (e ) = 0,Cov (e ) = V■,a relative efficiency of LSE is proposed and its upper bound is given.
对于生长曲线模型：Yq×n=Aq×mBm×kCk×n+eq×n,E（e）＝0，Cov（e）＝v■＞0本文给出了LSE的一个相对效率，并给出了它的上界。
5) relative heat efficiency
相对热效率
6) relative internal efficiency
相对内效率
1.
New method for on-line determination of relative internal efficiency of condensing turbine;
凝汽式汽轮机相对内效率在线测定新方法
2.
Firstly, two defining methods of relative internal efficiency for steam turbine are analyzed from energy equilibrium.
从汽轮机能量平衡的角度出发,对汽轮机相对内效率两种定义方法进行了分析。
3.
Aiming at the problem that relative internal efficiency can t embody the operating condition of flow path in regenerative or reheat steam turbine, relative internal efficiency of staging has been given to estimate the flow path condition of steam turbine in this paper.
针对汽轮机采用回热或再热后,汽轮机整机相对内效率不能准确反映汽轮机通流部分的运行经济状态问题,提出采用级组相对内效率来评价汽轮机各段通流部分的运行经济状态。
补充资料：相对生物学效率
相对生物学效率
简写R．B．E。产生相同生物学效应所需要的各种电离辐射剂量之比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条