转向点 turning point
bending point
- 值班时,定要严格的执行夜航命令。到转向点处,向我报告。
When on duty, strictly obey Night Orders. Report me on turning position. - 本文讨论了具有转向点的奇摄动椭圆型方程边值问题。
The singularly perturbed elliptic equation boundary value problem with turning point is considered. - 接着是3天黑暗的时刻和6天太阳从西边出来,这是地球摆动着进入3天黑暗的动力和转向点。
Then the 3 days of darkness and the 6 days of sunrise west, which is a momentum and turnaround for the swing into the 3 days of darkness.