obsoleteness

1. For they give life, with the genius of their own inventions, to those same political principles that for some time now the dominant powers try to convince us of their obsoleteness.
   因为他们通过自己天才的发明赋予政治原则以生命，就是那些统治力量试图说服我们已经过时的原则。
2. Meanwhile, the lack of naphtha raw materials and the obsoleteness of production facilities and equipment will also affect China's aromatics production capacity.
   同时，石脑油原料不足以及装置工艺设备老化等因素也将影响国内芳烃产能的正常发挥。

noun

1. the property of being out of date and not current

   Synonym:    superannuation