名词
中文翻译：波动率
同义词：
['volatility', 'fluctuation', 'variability']
例句：
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1. The stock market'sfluctuation rate has been increasing recently.
最近股市的波动率一直在增加。
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2. Thecompany's fluctuation rateis closely monitored by the regulators.
该公司的波动率由监管机构密切监控。
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3. The fluctuation rate of the economyis a key indicator of economic health.
经济波动率是衡量经济健康状况的关键指标。