名词
中文翻译：收缩率
同义词：
['shrinkage rate', 'contraction rate']
例句：
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1.The material has a high rate of shrinkage in the hot weather.
这种材料在高温下收缩率很高。
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2. The shrinkage rate is affected by the temperature and humidity.
收缩率受温度和湿度的影响。
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3.The engineer calculated the rate of shrinkage for the concrete mix.
工程师计算了混凝土混合物的收缩率。