A typical portfolio, in the case of enterprise SOA, is based on the enterprise business model that identifies the capabilities of the enterprise.
企业SOA里一个典型的组合，是基于认定该企业能力的企业业务模型。
Based on this index, an optimization model of stocks portfolio is put forward.
并根据该指标，提出了股票投资组合的优化模型。
In this paper, the arbitrage portfolio model is directly obtained based on the description of arbitrage Pricing Theory when there are arbitrage opportunities.
本文根据套利定价理论的基本描述，直接得到存在套利机会的情况下求解套利组合的模型。
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