这样，应用何种方法研究如何正确地制定满意的船舶投资决策就成了当前各个航运企业的当务之急。
In this way, it has become the urgent fairs that shipping enterprise work over how to set down satisfying ship investment decision-making rightly through which method.
在其风险与收益的控制方面，应运用数学方法研究股票投资组合的内涵，以便制定出正确的股票投资组合的策略。
Based on mathematical methods, the article explores the risk and profit of stock portfolio and analyzes the strategies and methods of stock investment portfolio.
并通过对某创业投资项目的实证研究，验证了该体系的正确性和实用性。
And through to a venture capital project real diagnosis research, has confirmed this system accuracy and usability.
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