Strength loss and stress concentration in plate weakened by dense circular holes;
应用有限元法对有限厚中心圆孔板的三维应力集中进行了分析。
Three series of inclined plate thickness, crystal, usually for granular, dense clumps aggregation.
属三斜晶系，单晶为厚板状，通常为粒状，致密块状集合体。
Electron dense body-like core and plate structure were observed both in nuclei and cytoplasm.
细胞核和细胞质内均可见核心样电子致密体和布纹样结构。
Electron dense body-like core and plate structure were observed both in nuclei and cytoplasm.
细胞核和细胞质内均可见核心样电子致密体和布纹样结构。
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