prescriptive period

基本解释

For a long period in history, translation approach is prescriptive and source-text oriented.
长期以来，翻译研究一直是以原文为中心的规定性的研究。
Therefore, structures must have certain reliability to make sure that they can satisfy each operational function in prescriptive period.
因此，工程结构应要求具有一定的可靠性，才能保证结构在规定的使用期内能够满足设计要求的各项使用功能。
The safety of equipment is the capability of accomplishing the stated functions safely and faultlessly in the prescriptive condition and period.
设备安全性是设备在规定的条件下和规定的时间内安全的、无故障的完成规定功能的能力。