0 not in use any more, having been replaced by something newer and better or more fashionable -- 废弃的；过时的；淘汰的；老化的
The paradigm of staple food self-sufficiency that has been the cornerstone of agricultural policy in most developing countries becomes increasingly obsolete with economic growth.
Those who cannot do these things are either ' children ' or fools, useless or obsolete.
Equally, it refers to the availability of appropriate devices, as rapid technological change soon makes systems obsolete and manufacturers discontinue production.
With the sovietisation of their neighbours, the justification for annexations as liberation from imperialist oppression became obsolete.
But the very nature of electroacoustic composition and the various computational processes, their range and their refinement, usually render traditional analytic methods obsolete and unusable.
One effect of the crises of the 1970s was to render obsolete many of the assumptions that had been unchallengeable only a few years earlier.
Training was costly, time-consuming and inherently risky, since a new skill could quickly become obsolete or fail to attract sufficient work to merit the investment.
While he concedes 'undoubted musical qualities', he finds that the libretto renders the opera obsolete, no longer acceptable.
