名词
中文翻译：中等粒状结构
同义词：
['medium-sized structure', 'medium-sized grain structure']
例句：
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1. Thestructure of the building is designed to withstand earthquakes.
这座建筑的结构设计用来抵抗地震。
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2. The grain structure of the soil is crucial for plant growth.
土壤的粒状结构对植物生长至关重要。
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3.The engineer analyzed the medium-grained structure of the bridge to ensure its stability.
工程师分析了桥梁的中等粒状结构，以确保其稳定性。