大跨度地下结构中柱是抗震薄弱环节。
Middle column of large underground structures is the weak link in seism.
种有管状组织的实心中柱。
注意在这个过程中柱销和潜伏式浇口之间被剪断。
Note that the peg is' sheared 'from the subsurface gate in tile process.
其中柱体和锥体感受器可以感受光亮与黑暗,形状与颜色,形成正常的视觉功能。
Rods and cones detect light, darkness, shape and colour, and make normal sight possible.
其中柱体和锥体感受器可以感受光亮与黑暗,形状与颜色,形成正常的视觉功能。
Rods and cones detect light, darkness, shape and colour, and make normal sight possible.
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