名词
中文翻译：镍钴比例
同义词：
['nickel-cobalt ratio', 'nickel-to-cobalt ratio', 'cobalt-nickel ratio']
例句：
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1. The steelindustry uses this ratio to determine the quality of its products.
钢铁行业使用这个比例来判定其产品的质量。
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2. The research team found that the ratio was not consistent across different regions.
研究团队发现这个比例在不同地区并不一致。
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3. The engineer adjusted the ratio to optimize the strength and durability of the material.
工程师调整了这个比例，以优化材料的强度和耐用性。