表面改性持久性
the duration of the surface modification
部分变元的持久性
Partial variable differetial equation’s permanent
持久性导管术
Permanent catheterization
持久性等长运动
Prolonged isometrical exercise
持久性动机模式
enduring motivational patterns
持久性豆状角化过度症
hyperkeratosis lenticularis perstans
持久性毒物
toxic persistent material
持久性化学改进剂
permanent chemical modifier
Endurable chemical modifier
持久性竞争优势
Sustainable competitive advantage