名词
中文翻译：双重结构
同义词：
['duplex structure', 'bilayer structure']
例句：
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1.The new design features a duplex grain structure that enhances stability and strength.
新设计采用了双层结构，提高了稳定性和强度。
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2.In the study of materials science, understanding the duplex grain structure is crucial for developing new materials.
在材料科学研究中，理解双层结构对于开发新材料至关重要。
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3. The engineer designed the machine to have a duplex grain structure to improve its efficiency.
工程师设计了这台机器具有双层结构以提高其效率。