显微组织（microstructure）是指将用适当方法（如侵蚀）处理后的金属试样的磨面或其复型或用适当方法制成的薄膜置于光学显微镜或电子显微镜下观察到的组织。
adj. microstructural
misc. microscopic structure
The major cause which enhances the mechanical properties of FSW joints is the improvement of microstructure.
显微组织结构的改善是摩擦搅拌焊焊接接头力学性能提高的主要原因。
参考来源 - AlThe influence of temperature, heating time, variance ratio of temperature, and load on the change of crack size, microscopic structure, crystal grain, composition, hardness, and strength were studied.
系统研究了温度、加热时间、温度变化率、加压等热力参数对修复过程中裂纹尺寸、材料的显微组织、晶粒、成分、显微硬度、强度等变化的作用。
参考来源 - 大型锻件内裂纹缺陷修复的物理模拟研究The microstructure of AlCrFeCoNi alloy is nano-(α-Fe, Cr) phase distribute on the order NiAl matrix.
AlCrFeCoNi合金的显微组织为在NiAl有序基体上,弥散分布着大量纳米（α-Fe, Cr）相。
参考来源 - AlCrFeCoNiCu系多主元合金及其复合材料的组织与性能·2,447,543篇论文数据，部分数据来源于NoteExpress
对缺陷进行宏观组织和显微组织的观察及分析。
The macro-and micro-structure observations and analysis were carried out for the defects.
而蝴蝶翅膀的表面，则是一层显微组织，结构类似于装鸡蛋的纸箱。
Instead, the surfaces of the wings are made up of microscopic structures that would look like the inside of egg cartons if you could see them.
研究了挤压比对热挤压AZ91镁合金显微组织和拉伸性能的影响。
The results reveal that the microstructure of the AZ91 alloy is effectively refined after hot-extrusion.
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