求翻译：在实践中,对某些金融时间序列如股票而言，股票交易产生的金融数据所包含的开盘价、收盘价及其它的涨幅和变化趋势是引导投资者行为的重要信息。在证券交易市场上,具有一定的流动性和波动性，股票价格上升或下降的趋势及涨跌幅度的大小是指导着市场参与者的主要因素[10], 而不是股票的绝对价格的高低。距离作为股票之间的相似程度的度量，常用的距离公式有:绝对值距离、欧式距离、明科夫斯基距离、切比雪夫距离、马氏距离等[11]，本文采用两个股票极值点距离来表示两个股票之间的相似程度，能达到既准确的找到股票之间的相似性，又能减少运算量的目的。是什么意思？

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In practice, for certain financial time series such as stock, stock trading the financial data included in opening price, closing price and the price and other trends are important vectors of investor behavior. In the stock market, with a certain degree of mobility and fluctuation of stock prices ri

In practice, some such as stocks of financial time series, and contains financial data from stock trading gains and the trend of opening, closing and other important information is to guide the behavior of investors. On the stock market, has a certain degree of liquidity and volatility, stock prices