一个搅动不安
发表于 2025-3-28 17:15:54
Testing Long WavesSeveral independent efforts have been undertaken in recent years to test whether long waves can be identified in time series from various countries on industrial production or on national product. Various methods have been applied to analyze long waves in empirical data.
fiction
发表于 2025-3-28 19:29:08
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Enthralling
发表于 2025-3-29 00:32:07
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arabesque
发表于 2025-3-29 05:14:35
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