查询词典 efficient operation

Chapiter 2 discusses the theory of assets portfolios, which starts to analyze investor, arid deduces framed investor"s feasible set arid efficient set, discUss different forms and characteristic of efficient portfolio, and systematic analyzes the effect of portfolio, risk diversification, followed briefly summarizes the formation, development, application and limit of the "theory of portfolio, created by Markowitz.

本章从投资者开始分析，给出了框定投资者的可行集和有效集，并讨论了各种不同的有效组合类型及其性质，同时系统研究了资产组合的效应——风险分散，最后简要综述了马柯维茨投资组合理论的产生、发展、应用与局限。

Efficient air inlet may be used as terminal high efficient filter equipment to fix in the ceiling of the purified room ,which is characterized by low cost, good seal , common use and easy repair .

高效送风口可作为终端高效过滤装置直接安装在洁净室顶棚等处，具有投资少、密封性能可靠、通用性强、安装方便、维护简单等特点。

Order Hilbert ill-conditioned linear equations were solved, and the relative error was less than 0.45%. Numerical experiments verified that the method was efficient compared with the efficient methods used commonly nowadays. Numerical experiments results showed that the conjugate vector base method was suited for solving large-scale ill-conditioned linear equations with fast convergence and high precision.

通过对5000阶的Hilbert方程组进行求解，结果的相对误差小于0.45%，并与当前普遍使用有效的方法进行了比较，数值实验结果表明，该算法适合求解大型病态线性方程组，且具有快速收敛，精度较高的特性。

The null hypothesis is that the efficient estimator is a consistent and efficient estimator of the true parameters.

2， 如果上述理论逻辑通的话，将内生变量 X 作为解释变量， IV 和其他变量（ X2）作为解释变量，看 IV 是否显著，它应该显著。

In the test of weak-form efficient hypothesis, this thesis used auto regression, auto correlation function and unit root three models, and got the basically same results. In the test of semistrong-form efficient hypothesis, this thesis used market model, index return model and constant mean return model three ways to estimate the normal return when making use of event study, and the results were also basically same.

其中，为求全面和比较，在对弱势有效市场的假说的检验部分，本文运用了自回归检验、自相关函数检验和单位根检验三种计量模型，检验结果基本一致；在对半强势有效市场假说的检验部分，本文运用了事件研究法，并在估计正常收益率时使用了市场模型、指数收益模型以及均值模型三种方法，估计结果也相对一致。

It is proved that strictly efficient point set of the objective space is connected when objective function is cone convex－like,and that if objective function is cone convex set－valued mapping,then strictly efficient solution set is also connected.

证明了当目标函数为锥类凸的集值映射时，其目标空间里的严有效点集是连通的；若目标函数为锥凸的集值映射时，其严有效解集也是连通的。

It is reported that the fifth-generation energy-saving Rongsheng star refrigerator, use of VIP vacuum insulation panels, ultra-efficient green fluorine-free compressor, double F-type high-performance wire-tube evaporator, and more energy-efficient dual airbag door closed, a new generation of cyclopentane composite foam technology and other energy-saving Multi-leading technology to ensure excellent insulation refrigerator insulation performance, power consumption of only 0.25 days, the volume for the same paragraph of ordinary refrigerator 1 / 3, is currently on the market to buy the lowest power consumption refrigerator, can be called "energy champion."

据介绍，容声第五代节能明星冰箱，采用了VIP真空隔热板、超高效环保无氟压缩机、双层F型高效丝管式蒸发器、多气囊节能双门封、新一代环戊烷复合发泡技术等多重领先的节能技术，保证冰箱极佳的绝热保温性能，日耗电量仅0.25度，为同容积段普通冰箱的1/3，是目前市场上能购买到的耗电量最低的冰箱，堪称"节能冠军"。

This paper provide some results regarding upper semi continuity as well as lower semi continuity of cone efficient,and weakly cone efficient solution s in vector optimization with decision cone is perturbed.

研究了当控制锥受扰动时，具有集值映射向量优化问题的锥有效解和锥弱有效解的上、下半连续

Structure of company governance Accounting Information Efficient provider Efficient demander

治理结构；会计信息；有效供给主体；有效需求主体

This article describes the importance of efficient utilization of CSs and the significance of CSs depolymerization for developing new technology of efficient utilization of CSs in view of the objective of China for building a resourcely-saving and environment-friendly country.

本文从我国建立资源节约和环境友好社会目标的角度，论述了农作物秸秆高效利用的重要性和研究农作物秸秆解聚对开发农作物秸秆高效利用的新工艺的重要意义。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！