Now, this has to stop somewhere. I can start claiming that I can somehow bend my coordinates to a plane, any surface is flat.
现在必须得停一下了，之前说到的，可以通过把坐标系变换到某平面上，那些曲面都是平的。
2
The limit load formulae of single-edge deeply notched plates with round ends subjected to pure bend moment and tensile load under plane stress condition have been derived.
推导了平面应力条件下单边圆形底部深缺口板条受纯弯曲和拉伸载荷作用的极限载荷公式。
3
One of the victims of yesterday's plane crash in South Bend, Indiana, was Steve Davis, Oklahoma starting quarterback when the university won back-to-back national championships in the 1970s.