All equipment must pass rigorous inspections during the pre-deployment period.

pre-deployment 是由前缀 pre-（表示"在...之前"）和名词 deployment（部署）组成的复合词，字面意思是"部署之前的"。 deployment 来自动词 deploy（部署），加上名词后缀 -ment 构成，指"部署"这一行为或过程。 pre-deployment period 指"正式部署前的准备阶段"。