service call

基本解释

If an event or service call needs to be logged, create a logging task at the beginning and end of each service where logging is required.
如果某个事件或服务需要被记录，可以在每个服务需要记录的起始和结束处创建一个日志任务。
For parallel operations this is not a factor, but consider when a transaction is serial and information from one service call may be needed by another.
对于并行操作，这不是一个因素，但考虑当事务是串行的且来自一个服务调用的信息可能是其他服务调用所需时。
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。

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