The name has to be unique across all external services defined in the subsystem

名称必须在子系统中定义的所有外部服务中保持唯一性。

youdao

I worked on a project where we could easily demonstrate our code running on the development operating system with all the external services stubbed out.

我曾经做过一个项目，在那个项目中，很容易看出代码在开发操作系统中运行，而所有的外部服务则全线瘫痪了。

youdao

All the other services built into the server are provided by external components.

所有嵌入该服务器的其他服务都由外部组件提供。

youdao

Firms, large and small, can call upon all the external services needed to put together a complex financial deal, such as advice from lawyers and accountants, or the use of specialist markets.

ECONOMIST: London as a financial centre