名词
中文翻译：经济周期理论
同义词：
['economy cycle theory', 'economic cycle hypothesis', 'economic cycle model']
例句：
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1. This theory suggests that the economy will recover when the government spends more money on infrastructure.
这一理论认为，当政府在基础设施上投入更多资金时，经济将会复苏。
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2. The economists proposed a new economic cycle theory to explain the fluctuations in stock prices.
经济学家提出了一种新的经济周期理论来解释股票价格的波动。
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3.The theory has been tested and confirmed by numerous empirical studies.
这一理论已经被大量的实证研究所验证。