例句與造句

1. Act on the relevant forces including brownian force , dispersion force arising from the interaction potential , viscous forces and gravitation forces , nanoparticles would flocculate
   納米粒子在流體中受到重力、布朗力、相間阻力和粒子間作用勢(shì)產(chǎn)生的分散力的作用，呈集聚狀態(tài)。
2. It's difficult to find relevant forces in a sentence. 用relevant forces造句挺難的