名词
中文翻译：稀有金属合金
同义词：
['rare metal alloy', 'rare metals alloy']
例句：
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1.The new car uses a rare earth alloy for its engine.
这款新车的引擎使用了稀有金属合金。
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2. The researchers found that rare earth alloys are essential for the production of electronic devices.
研究人员发现，稀有金属合金是生产电子设备所必需的。
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3.The use of rare earth alloys in lighting technology has improved significantly in recent years.
近年来，在照明技术领域使用稀有金属合金已经显著提高。