driving force 

英汉解释

驱动力，推动力

同义词

n. drive，thrust

参考例句

1. Vibration monitoring is an important part of driving force machinery fault diagnosis.
振动监测是动力机械故障诊断的一个重要组成部分。
2. It has become a lifestyle for some people, and has turned out to be the driving force in GDP growth.
旅游对很多人来说已经成为一种生活方式，这正好也是国内生产总值增长的生力军。
3. Main driving force for migration of separate phase natural gas is buoyancy, and resistance is capillary force.
在静水条件下，游离相天然气运移的主要动力是浮力，阻力是毛细管力。

英英解释

n.
  1. the act of applying force to propel something

网络释义

driving force
原动力; 推动力; 传动力; 驱[传, 主]动力;
driving up force
上升力;
seismic driving force
地震原动力 地震强制力;
a strong driving force
强大动力;
driving force space
动力空间;