名词
中文翻译：钙的基石
同义词：
['calcium base', 'titanium base']
例句：
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1. The calcium base is crucial for bone health.
钙的基石对骨骼健康至关重要。
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2. The titanium base has been used in various applications due to its high strength and corrosion resistance.
由于其高强度和耐腐蚀性，钛合金已被用于各种应用。
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3.The development of titanium base technology has greatly improved the efficiency of metal processing.
钛合金技术的发展大大提高了金属加工的效率。