The tests indicate that the system can shift automatically from low gear to high or from high gear to low according to the optimal dynamic and economic shift pattern.

实验表明，该系统可以按最佳动力性换档规律和最佳经济性换档规律自动从低档升入高档或从高档降到低档。

youdao

As you slow to a stop, shift down to a low, starting gear.

当你慢下车来要停车的时候，把档位置调至起动档。

youdao

He did not note that he had ignored large yellow signs instructing him to shift his truck into a low gear (evidenced by police photographs of his brake pads).

CNN: Is our suffering God's will?