名词
中文翻译：针状马氏体
同义词：
['needle martensite', 'needle-like martensite']
例句：
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1. Thesteel was subjected to a high temperature for several hours to produce the needle-type martensite.
钢材经过高温处理数小时以形成针状马氏体。
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2.The research focused on the development of needle-type martensite in the alloys.
该研究专注于合金中针状马氏体的形成。
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3. The engineer explained that the needle-type martensite had a significant impact on the material's strength and toughness.
工程师解释说，针状马氏体对材料强度和韧性有显著影响。