组合选择

• Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth - preferred combinations for woven wire cloth
  工业用金属丝网筛和金属丝编织筛布的孔径尺寸和线径的组合选择指南.第2部分:金属丝编织筛布的优选组合
• This paper studies the effects of parametric uncertainty of the first two moments about risky asset return on the choice of dynamic portfolio under incomplete information
  摘要在不完全信息下，研究了风险资产收益前两阶矩的参数不确定性对动态资产组合选择的影响。
• For light source of led , there are red , green , blue , white , yellow , double colors , three colors jumps to change , gradual change , seven colour jump to change , gradual change etc
  Led光源，有红、绿、蓝、白、黄、双色、三色跳变、渐变、七彩跳变、渐变等多种色彩组合选择。
• Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth - preferred combinations for pre - crimped or pressure - welded wire screens
  工业金属丝筛网和金属丝编织布孔径和丝径组合选择指南.第3部分:预压接或压力焊接金属丝筛网的优选组合
• The insurance company can also acquire various insurance products with stochastic interest by different combinations of parameters . establish a stochastic optimization model based on aggregate model of life insurance with stochastic interest
  保险公司通过参数的组合选择，得到不同的随机利率下的保险产品；同时，建立了随机优化模型。
• By the methods of grouping visit , of iterative and layered research , it was not only resolving the difficult for writing t - sql , but also combining easily , helping to the vivid and the accuracy of searching
  通过节点分组访问、分层迭代查询的方法，不仅解决非一致性数据库约束条件难写的问题，而且容易组合选择查询条件，有助于提高查询的灵活性与准确性。
• 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。