詞語：useful-life
useful-life的解釋
useful-lifen. 有效期限
useful-life的意思
useful-life 有效期限;
useful-life的參考例句
1.The good life therefore is a useful life - one that will lead to happiness and growth. 因此，好生活是一種有益的人生，是走向幸福和成長的人生。
2.Reduction in the useful service-life of reinforced concrete construction is a major problem confronting the construction industry worldwide. 混凝土建築有效使用壽命的縮短已成為全球建築業面臨的主要問題。
3.The proliferation of scholarly sources in the mass communication field adds to the information explosion that routinely abbreviates the useful half-life of knowledge throughout the discipline. 大眾傳播領域學術來源的擴散導致了信息爆炸，而信息爆炸簡化了整個學科有用的半衰期知識。