该国的经济力量正在快速增长。

The country's economic ___power is growing rapidly.

我们有足够的人口和经济力量来建立一个完整的城市。

We have enough population and economic ___power to set up a complete city.

引擎有足够的力量来拉动重物。

The engine has enough ___power to pull the heavy load.