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Electrical, optical, magnetic, and mechanical properties of metals, semiconductors, ceramics, and polymers.
金属、半导体、陶瓷和聚合物的电性、光学性、磁性和机械特性。
Many ceramics are good electrical and thermal insulators.
许多陶瓷都是电和热的良绝缘体。
Oil-retaining bearing, friction material, (soft and hard) magnetic element, electronic ceramics, electrical alloy, etc.
含油轴承、擦材料、软、性元件、子陶瓷、工合金等。
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