术语中文翻译
中文翻译：热膨胀指数
同义词：
['thermal expansion index', 'thermal expansion coefficient']
例句：
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1. Thematerial's hygral expansion index is crucial for its performance in extreme temperatures.
该材料的热膨胀指数对其在极端温度下的性能至关重要。
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2. The researcher found that the hygral expansion index of the material was significantly different from that of the previous batch.
研究者发现，该材料的热膨胀指数与前一批材料有显著差异。
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3. The engineer used the hygral expansion index to optimize the design of the cooling system.
工程师利用热膨胀指数优化了冷却系统的设计方案。