切尖(tipping ) 用刀将含主脉直径小于1. 5 mm的叶尖与叶基切断，使叶尖与叶基分离的工艺过程。
在小来流动压情况下，结构几何非线性引起了切尖三角翼的LCO，计算结果和试验值吻合较好。
For lower inflow dynamic pressures, the LCO of the delta wing is caused by structural geometric nonlinearity, and the numerical results correlate well with experimental data.
研究结果显示，切尖三角翼的L CO不仅与结构几何非线性密切相关，而且受到结构材料非线性的显著影响。
The study shows that the LCO of a cropped delta wing is not only closely related to its geometric nonlinearity, but also remarkably affected by its material nonlinearity.
几天前我才到了这儿，当时夜幕刚降下，人们在朦胧的灯光下像老鼠一样匆匆赶回家去，树木带着宝石尖般的恶意闪闪发光，我不止一千次地想起了这一切。
Just a few days ago I had arrived. Nightfall. People scurrying Home like rats under the foggy lights. The trees glittering with diamond pointed malice. I thought it all out, a thousand times or more.
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