它由服务提供者、服务请求者和服务注册中心三个不同的角色组成。的翻译：It services provider, service requests and service registry composed of three different roles. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

By service providers, three different roles of the service requestor and service registry composition.

It services provider, service requests and service registry composed of three different roles.

It by the service provider, the service solicitant and the service registration center three different roles is composed.

正在翻译，请等待...

It services provider, service requests and service registry composed of three different roles.