名词
中文翻译：Unknown
同义词：
['volumetric expansion', 'volume increase']
例句：
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1.The material undergoes a volume expansion when it is heated.
当材料受热时会发生体积膨胀。
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2. The company's profits have been increasing steadily over the past year.
过去一年，该公司的利润一直在稳步增长。
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3. The scientist observed that the sample volume increased with time.
科学家观察到样品的体积随时间增加。