病变前期，关节间隙有显著狭小，软骨下可有显微骨折征(micro fracture)，尔后出现骨质硬化，末了关节边缘变尖，有骨赘形成，负重处软骨下可有骨性囊腔，形成典型的骨关节病征象。
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high angle micro-fracture 高角度微裂缝 ; 高角度微裂痕
micro-fracture 微细裂缝 ; 显微裂隙
micro-fracture mechanics 微观断裂力学
micro-fracture wave 微破裂波
micro fracture model 微观断裂模型
micro-fracture process 微观断裂过程
Micro Fracture Feature 微观断裂特征
natural micro-fracture 天然微裂缝
micro fracture profile 微观断口形貌
It is reflected that there are higher background stress fields in the areas, mainly releasing stresses by small swarms, micro fracture and gas eruption.
反映了该地区应力场背景较高，主要以小震群、微破裂及汽爆等方式释放应力。
The microstructure characteristics, macro and micro fracture morphology of brittle broken embedded casting closure of T9815 turbines were investigated by means of metallographical examination and SEM.
借助光学显微镜、扫描电镜等手段，对用埋铸法生产的T9815气轮机组隔板断裂部位的金相组织特征，宏观和微观断口形貌等进行了研究。
With a recheck of the observing data of Wenchuan and some other earthquakes, also based on the concept of fracture mechanics, it is deemed that there exists a micro-fracture wave before earthquakes.
根据对包括汶川大地震等一些实测资料的分析，并借用断裂力学和断裂物理的概念，可以认为存在一种震前出现的“微破裂波”。
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