上支架内端枢接在伞支杆环套上，且各该上支架外覆设一伞布；

Flection is arranged on a plurality of lower supports which are pivoted with the folding control sleeve of the umbrella.

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机械部分：本文主要详细介绍了机械手及行走机构、珩架拖动小车、珩架、卷扬机、上支架、下支架、滚轮等的设计。

Parts of the mechanical structure: this chapter introduced the design of manipulator and bogie phoning trailer honing rack, windlass, upper support frame, low support frame and roller etc in detail.

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大部分摄像机的上面都有一个小的螺丝孔用来把相机固定到一个三角架或者其他稳定的拍摄支架或结构上。

Most cameras have a small screw-hole somewhere on them that allows the camera to be mounted to a tripod or other steady filming stand or structure.

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Here is a thin membrane, it's a polymer scaffold, and on that polymer scaffold scientists have placed some skin cells and they've allowed it to grow.

这是一张薄膜,它是一个聚合物支架,在这个支架上,科学家放了一些皮肤细胞,并让它们生长

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