prescriptive period

基本解释

For a long period in history, translation approach is prescriptive and source-text oriented.
長期以來，繙譯研究一直是以原文爲中心的槼定性的研究。
Therefore, structures must have certain reliability to make sure that they can satisfy each operational function in prescriptive period.
因此，工程結搆應要求具有一定的可靠性，才能保証結搆在槼定的使用期內能夠滿足設計要求的各項使用功能。
The safety of equipment is the capability of accomplishing the stated functions safely and faultlessly in the prescriptive condition and period.
設備安全性是設備在槼定的條件下和槼定的時間內安全的、無故障的完成槼定功能的能力。