名词
中文翻译：频率
同义词：
['rate', 'quantity', 'degree']
例句：
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1. The frequency of earthquakesin this area is relatively high.
这个地区的地震频率相对较高。
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2. The frequency of occurrenceof the disease is increasing.
这种疾病的发生率正在增加。
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3. The frequency of traffic accidents hasdecreased significantly.
交通事故的发生频率已经显著下降。