Never shift from the Parking mode when engine rpm is higher than normal idle.

在发动机的转速高于正常空转转速时，千万别换到驻车档。

youdao

Switching of speed change gear is based on the estimation of engine output from throttle opening and engine rpm.

变速器档位的改变基于根据节气门开度 和发动机转速的发动机输出的估计；

youdao

Analyzing various inputs, such as vehicle speed, engine RPM, throttle position, etc., the TCM decides which gear to shift to and when.

TCM通过分析各种输入信号，例如车速、发动机转速、节气门位置等，来决定何时换入何挡。

youdao

Start the engine of the running car, and run it for 1-2 minutes while revving the engine to higher rpm.

FORBES: What To Do If Your Car Won't Start In Cold Weather

The engine gives 800 CV and revs to a maximum of 9, 250 rpm, a record for an engine of this displacement.

FORBES: Ferrari Debuts LaFerrari, Joins McLaren, Porsche In Hybrid Hunt

One possible use of this technology is to provide context information from the car, something like the engine speed has reached 2000 rpm, the parking brake has been disengaged, the transmission gear is in drive and the brake pedal is fully off the floor.

FORBES: Automotive/Tech Companies Trying to Bring the Web to the Car