Exercise is one of the few factors with a positive role in long-term maintenance of body weight.

锻炼是对长期保持体重有积极作用的少数因素之一。

youdao

As we have mentioned above the role of maintenance application is to simplify creation and modification of services information.

如同以上所讲，维护程序是用来简化服务信息的创建和修改。

youdao

Dynamic relationships depend on the verb property or change summary information contained in the business graph to do automatic maintenance of role instances.

动态关系依赖于业务图中的Ver b属性或更改摘要信息，以便对角色实例进行自动维护。

youdao

This may eventually increase knowledge of the role of different genes in the maintenance of healthy skin - and in the growth of cancers.

BBC: NEWS | Health | Skin cell find offers cancer clue

The study results point to the possible role omega-3s play in the development and maintenance of the nervous system, says Lammi-Keefe, who recommends that pregnant women eat at least three servings of omega-3-rich fish every week.

CNN: The skinny on dietary fat: balance it, don't avoid it

He was giving evidence to the Transport Committee on 9 December 2009 as part of an ongoing inquiry into the role of PPP (public-private partnership) in the maintenance of London Underground.

BBC: Transport Committee