Services are at the heart of this multilayer architecture and are components that realize service flows and processes.

服务是这种多层体系结构的核心，并且是实现服务流和流程的组件。

youdao

Services are obviously at the heart of Service-oriented architecture, and the term service is widely used.

服务显然是面向服务的体系结构的核心，术语服务的使用非常广泛。

youdao

But neighbourhoods have also changed, with the local services such as post offices that tended to form the heart of old communities on the decline.

但邻里关系也发生了变化，当地的服务设施比如本应该建在老年社区中心的邮局的数量也减少了。

youdao

It's that you are giving it out of the bottom of your heart.'" Salvation Army spokesman George Hood says the demand for charitable services has grown substantially.

VOA: standard.2009.12.16

The hospital is at the centre of a long-running dispute over the future of children's heart services.

BBC: Further talks over future of Leeds child heart unit

Mr Milburn said this was because heart services in the UK had suffered from years of neglect.

BBC: Pledge to slash heart disease waits

Almost 15, 000 people have so far signed petitions in support of the Royal Brompton's paediatric heart services.

BBC: Opposition to Royal Brompton child heart surgery plans