查询词典 portfolio selection

According to Markowitz's portfolio optional selection theory, the pa per set up an combination model for venture investment .

根据 Markowitz的证券组合理论，建立了风险资金的投资组合模型。

It is pointed out that government should set up different portfolio incentive system according to the ecological innovation type and their selection environment.

最后本章总结了影响我国生态技术创新的主要因素，并就此剖析了影响因素在激励机制设计中的政策涵义。

Project Portfolio Management refers to the selection and support of projects or program investments.

项目资产管理指选择和支持项目或计划的投资。

In Chapter 2, under limited diver-sification, the selection of efficient portfolio is discussed.

第二章在有限分散情况下，讨论了均值方差有效证券组合的选择问题。

Our fund selection specialists and portfolio managers put together for you portfolios entirely composed of mutual funds.

我们的基金选择专家和证券投资经理会为您设立完全由共同基金组成的投资组合。

Our fund selection specialists and portfolio managers put together for you portfolios entirely compose d of mutual funds.

我们的基金选择专家和证券投资经理会为您设立完全由共同基金组成的投资组合。

Finally, we mainly investigate the following three problems:(1) The problem of portfolio selection with transaction costs is formulated as a bi-objective programming model, but it is no-differentiable and difficult to solve. With a transformation, we can transform the nondifferentiable nonlinear programming problem to a linear program.

然后主要做了如下三个方面的工作：（1）针对带交易费的最优证券组合选择问题可以表示为一类不可微非线性规划模型，但其求解比较困难的特点，提出了一种新的化简方法，一次变换即可将该类不可微非线性规划模型转化为一个线性规划模型，不仅简化了求解过程，而且还减少了最终的线性规划问题的变量个数。

Careful selection and screening of managers remains the key to bolstering portfolio returns.

谨慎选择和经理人的筛选仍然是支撑投资组合回报的关键。

To this kind of portfolio selection problems, the stochastic programming approach has more flexibilities.

随机规划方法在处理这类投资。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。