Never be satisfied with your first view of a place or the first frame you snap.
从来不要对你看这个地方的第一眼或是你抓拍的第一张照片感到满意。
But if after the door hinges snap but the door cannot fall because the frame suddenly skews, the door might get temporarily held in place by friction, by a pinch.
但如果在门铰链突然断掉之后,由于门框突然倾斜而门板没有倒塌,这个门板可能会由于一小点摩擦力而暂时支撑住了。
Low height-span gable portal frame occur snap through buckling. Global stability method is used to analysis the stability of gable portal frames.
高跨比较小的山形门式刚架会发生跃越失稳,采用整体分析的方法对山形门式刚架的稳定进行了分析。
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