The mortise-tenon is a great architectural invention which can improve the mechanical performance of ancient wooden building.
榫卯连接方式是中国古代一项伟大的技术创造，是确保木结构建筑具有良好抗震性能的关键措施之一。
参考来源 - 古建筑榫卯节点加固试验研究The location of fatigue is the bottom of mortise where the stress concentration is high. The stress state of the mortise bottom is multiaxial.
低循环疲劳失效多发生在轮盘榫槽底部应力集中较严重的部位。
参考来源 - 某型航空发动机低压压气机轮盘疲劳可靠性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
N a slot or recess, usually rectangular, cut into a piece of wood, stone, etc, to receive a matching projection (tenon) of another piece, or a mortise lock 榫眼
V to cut a slot or recess in (a piece of wood, stone, etc) 开榫
About the 15th of May the keel of the new vessel lay along the dockyard, and soon the stem and stern-post, mortised at each of its extremities, rose almost perpendicularly.
5月15日前后，新船的龙骨已经搁在造船所了；不久，船首材和船尾材也已用榫头分别接在龙骨的两头，几乎直立起来。
Still, the cabin hovers in my imagination as a finished structure — tight and snug as a cedar chest, its timber frame pegged and mortised, and a fire ticking in the wood stove.
尽管如此，在我的想象里小屋就像一座已经完工的建筑一样盘旋着——像雪松衣橱那样牢固温暖，框架结构排列严密、钉榫相接，还有火焰在柴炉里噼啪作响。
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