utile

1. An analytic model for the distribution of the mean time utile data lost is constructed. This paper shows how to balance requirement for high data reliability against the overhead cost of redundant data.
   并使用马尔可夫模型建立了一个平均直到数据丢失时间的分布模型，指导如何在数据可靠性需求和冗余数据开销之间进行平衡。
2. Adult learning requirements have lifelong, open, independent and utile characteristics.
   现代成人学习需要具有终身的特点、开放的特点、自主的特点、功利的特点；
3. An important way to explain the Ancient Chinese words is to utile dialect materials to verify.
   利用方言材料印证古语词是训释古代词语的一条重要途径，它对古代汉语词语的训释有十分重要的作用。

adj

1. being of use or service
   1. the girl felt motherly and useful
   2. a useful job
   3. a useful member of society

   Synonym:    useful