design lifetime meaning in English
设计寿命
Examples
- Global surveyor has far surpassed its design lifetime but scientists still had plenty more targets for the probes camera and science instruments
全球已远远超过其设计寿命测量,但仍有不少科学家更探头指标的照相机和科学仪器 - At , present there are a large quantity of bridges in our country , one hand , many old bridges have approached their design lifetime , their components have aged and be damaged , on the other hand , a number of new and large - scale bridges will be built . to assure these bridges " safety and to avoid accidents , we should get on monitor on - line to new bridges , and detect damage and identify reliability to old bridges
我国桥梁目前现状是桥梁数量极大，一方面，许多既有桥梁已接近设计寿命，桥梁的老化、损坏现象比较严重，另一方面，又有许多新的、大型桥梁结构陆续建成，为保证这些桥梁安全运行、避免严重事故发生，需要对新建桥梁进行健康监测、对既有桥梁进行损伤识别和可靠性鉴定。