名词短语
中文翻译：形成率
同义词：
['rate offormation', 'rate of circulation']
例句：
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1. The company's growthrate has been declining over thepast few years.
这家公司过去几年的增长率一直在下降。
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2. The rate of change in the economyis a key indicator of future performance.
经济变化率是未来表现的关键指标。
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3. The rateof interest on this loan is 5% per annum.
这笔贷款的年利率为5%。