A basic use of a selector is for simple dispatch, which means you can dynamically reroute the destination of a service call from one component or import to another.

选择器的基本用途是进行简单的分派，这意味着您可以将服务调用的目标从一个组件或导入动态地重新路由到或导入另一个组件。

youdao

Your dependency injection would be best used on your service start-up to create handlers for each type of call, then when each call comes in, dispatch appropriately.

你的依赖注入是最好的用在你的服务启动为每个呼叫类型创建处理程序，然后在每一个电话打进来，适当派遣。

youdao

That is, a call to dispatch (foo, bar) might be a close fit with a defined rule (foo, bar) — but it might also be a loose (rather than non -) fit with (FooParent, BarParent).

也就是说，dispatch (foo, bar)调用可能是采用已定义规则(foo, bar)的较合适的分派，但是也可能与(FooParent, BarParent)规则松散(并不是不)配合。

youdao

This is just the initial call to dispatch the resources.

BBC: North Yorkshire and Cornwall fire services to join forces

His 19-year-old son, Nick Chiapperini, was on the job in the Monroe Ambulance Company dispatch center when the call for help came in, according to West Webster Fire Department spokesman Al Sienkiewicz.

CNN: STORY HIGHLIGHTS

The Fire Department of New York today doesn't count any call time in its response analysis, a change from 2008 and earlier, when it included the time during which fire-dispatch staffers handled the call.

WSJ: All Heat, No Light, in Fire Data