名词
中文翻译：介电体
同义词：
['insulator', 'dielectric']
例句：
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1.The insulating material is crucial for electrical safety.
绝缘材料对于电气安全至关重要。
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2. The dielectric constant of the material was measured to determine its suitability for use.
该材料的介电常数被测量以确定其适用性。
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3. The dielectric properties of the materials were studied to understand their behavior under different conditions.
研究了这些材料的介电性质，以了解它们在不同条件下的行为。