The bifurcation and chaotic process of two-dimensional parallelwall shear flows are described by the forced oscillation equation containing a square nonlinear term.
二维平行壁面剪切流动进入混沌的现象可用含二次非线性项的强迫振动方程来描述。
2
Arranging your padding parallel to a wall rather than diagonally or haphazardly will help you Orient yourself once you're upside down.
将你的垫子或者毯子放置的与墙壁平行，而不要斜着或者随便一放，待会你大头朝下之后才更容易找到方向感。
3
The current controversy was the latest casualty of my lifelong effort to lead parallel lives, to wall off my anger and grief and get on with my outer life, which I loved and lived well.