A value model for a software product can be a formula or an algorithm that helps estimate the number of licenses that can be sold, at what price, over the product lifecycle.
一个软件产品的价值模型可以是一个公式或是算法，它帮助我们估计在产品的生存周期中可以以什么样的价格卖出多少产品。
Resorting to signal filter principle, the model even could estimate how much bubble exist in the price. The main academic contributions are provided as follows.
借助信号滤波器原理，我们甚至可以利用该模型估计出股票价格中泡沫的含量。
Resorting to signal filter principle, the model even could estimate how much bubble exist in the price. The main academic contributions are provided as follows.
借助信号滤波器原理，我们甚至可以利用该模型估计出股票价格中泡沫的含量。
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