詞語：life-span
life-span的解釋
life-spann. 壽命
life-span的意思
life-span 壽命;壽命，生命的期限;生命期，生命週期;life life-span longevity natural life 壽命;life-span determination 壽命測定;mean life-span 平均壽命;life-span perspective 畢生發展觀;
life-span的參考例句
1.An index distribution is a distributing function that can describe the life-span of certain electronic elements well. 指數分佈是一種可以很好地描述某些電子元件的壽命的分佈函數。
2.The effects of trace element selenium (Se)on the life-span of people were introduced and the reaction mechanism of anti-ageing was discussed. 介紹了微量元素硒對人體壽命的影響，並對其抗衰老機理進行了較為詳細的討論。英文翻譯，英語。
3.If the coarse degree of surface of parts is choosen unreasonably, it not only affects the using function and life-span of parts but also affects the marking coast. 設計者對零件表面粗糙度的要求是否合理，不僅影響零件的使用性能和壽命，對零件的製造成本也有很大的影響。