0 the quality of being obsolete -- 荒废； 退化
Mobile phone technology is developing so quickly that many customers are concerned about obsolescence. 手机技术发展得如此迅速，以至于许多顾客担心淘汰的问题。
In all these cases there was an obsolescence or decline in the local raw material producing activity.
We hypothesize that the fast changes brought about by the industrial revolution increase the obsolescence rate of fact-specific rules, rendering general standards more desirable.
A basic model of optimal specificity of laws is presented, clarifying the relevance of legal obsolescence and volume of litigation in the optimal choice.
In that case, the obsolescence of eye formation may have been attained instantaneously.
In this sense any conventional book which concerns itself with very recent policy developments is doomed to almost instant obsolescence.
Popular stereotypes connect the visible, physical changes associated with ageing to built-in obsolescence and physical and mental decay.
His current interests, in addition to pidgins and creoles, are language obsolescence, historical linguistics, and sociolinguistics.
Our model shows that if we expect volatility in the environment and consequent obsolescence in the legal order, lower levels of specificity should be chosen.
