While the overall material input of iron ore and crude copper displayed a decreasing trend, that of crude aluminum presented ruleless over the study period.
全国铁矿石和粗铜的物质投入在整体上有较明显的下降趋势，但原铝的这一指标则无规律可循。
Researchers in an increasing number find that certain potential information or pattern exist behind the plausibly ruleless price fluctuation in the financial markets.
越来越多的研究者发现，金融市场价格看似无规律的波动背后，似乎有一些潜在的信息或规律。
Researchers in an increasing number find that certain potential information or pattern exist behind the plausibly ruleless price fluctuation in the financial markets.
越来越多的研究者发现，金融市场价格看似无规律的波动背后，似乎有一些潜在的信息或规律。
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