accelerated phase

例句：

1. 1.The acceleration of the engine is due to the increase in fuel efficiency.
   发动机的加速是由于燃油效率的增加。
2. 2. The research team accelerated their work schedule to meet the deadline.
   研究团队加快了工作进度，以赶上截止日期。
3. 3. In the accelerated phase, the company was able to achieve significant growth.
   在加速阶段，公司实现了显著的增长。