以下为句子列表：
英文: In other words, it is the volatility that, given a particular pricing model, yields a theoretical value for the option equal to the current market price.
中文: 换句话说，给定一个定价模型，该波动性所得到的理论价和当前的市场价一致。
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英文: Practical cases have proved that this model has high theoretical value and is feasible.
中文: 规划实践表明，模型具有重要的理论价值和较强的可操作性。
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