内战导致许多家庭从村庄流离失所。

The civil war resulted in the ___displacement of numerous families from their villages.

经济政策加速了工人从传统行业向新部门的转移。

Economic policies have accelerated the ___displacement of workers from traditional industries to new sectors.

在流体力学中，位移是理解物体如何在液体中运动的关键概念。

In fluid mechanics, ___displacement is a key concept for understanding how objects move through liquids.