我想动机是一个必要的品质。

I suppose the necessary quality would be motivation.

youdao

综述了近年来国际上对车辆及发动机噪声声音品质的研究现状。

This paper summarizes the research status for sound quality of vehicle and engine.

youdao

这种燃料的品质很容易使发动机熄火。

The nature of the fuel gave the engine a strong tendency to" flame out."

youdao

这种燃料的品质很容易使发动机熄火。

The nature of the fuel gave the engine a strong tendency to" flame out."

youdao