explicit routing meaning in English

显式路由选择

When routing is based on some header characteristic such as explicit routing information that is carried in a routing header , the service requestor and proxy service implementations are coupled and must be kept up to date as the format of the routing header evolves
当路由是基于头标记特征时（例如在路由头中带的直接路由信息），服务请求者和代理服务实现被联系在了一起，而且它们必须随着路由头格式的发展而保持最新。