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。
2
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。
3
Dynamic relationships depend on the verb property or change summary information contained in the business graph to do automatic maintenance of role instances.