如何使用 "obsolescent" 造句

1. Electronic equipment quickly becomes obsolescent .
电子设备淘汰得很快.
2. This standard designates the following words as obsolescent .
标准指出下列词是过时的。
3. The nation shall implement a time-limited system for the elimination of obsolete or obsolescent production technologies , processes , equipment and products gravely hazardous to environments and wasteful of resources .
国家对浪费资源和严重污染环境的落后生产技术、工艺、设备和产品实行限期淘汰制度。
4. This word is now obsolescent .
这个字现在已废弃不用了。
5. Indeed , it could be obsolescent only a few years after it enters service .
事实上,服役不几年它就可能过时了。