1) permanent diminution
永久减值
2) quasi-permanent value
准永久值
1.
3 respectively,and the corresponding factors of frequent value and quasi-permanent value of live loads based on JCSS model code with JC method were suggested.
3的三级可靠度水平及相应的可变荷载频遇值系数和准永久值系数。
4) permanent decline
永久性递减
1.
It would be replaced by the critical point, on which the world oil production will be changed from plateau to permanent decline.
根据修正Hubbert模型,限产期内可以存在多个产量峰值,但对世界石油经济的影响仅是产量转向永久性递减的临界点。
5) quasi permanent value of an action
作用准永久值
6) characteristic value of permanent action
永久作用标准值
补充资料：永久
1.历时长久。 2.时间上没有终止;永远。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条