名词
中文翻译：随机变化
同义词：
['fluctuation', 'variation']
例句：
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1. The weather has a lotof random variations from day to day.
天气每天的变化都很大。
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2. The company'sstrategy is constantly changing due to random variationsin the market.
由于市场随机变化，公司的战略规划不断调整。
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3. The data shows thatthere are many random variations in the populationdistribution.
数据显示人口分布存在很多随机变化。