服务有效性的英文

availability of service

• 服务:    give service to; b ...
• 有效性:    availability; effe ...
• 有效性，有效期:    validity

例句与用法

1. " the efforts of the private sector in terms of increasing availability have to be supported by a basic network designed so that they can work in the best possible way which is not currently the case " said tavares
   说，由于用户对服务有效性的要求越来越高， “私人运营商必须得到基础网络的支持，这样，才可能提供最佳服务，但是目前没有得到这种支持” 。