graduated braking

例句：

1. 1. The car's brakes are graduated, so you can adjust the sensitivity as needed.
   汽车的刹车是分级的，所以你可以按需调整灵敏度。
2. 2. The driver should use the graduated braking system to control the speed of the vehicle.
   驾驶员应该使用分级制动系统来控制车辆的速度。
3. 3. During the race, the runners used graduated braking to maintain their momentum.
   在比赛中，跑者使用了分级制动来保持他们的速度。