设想您通过在一处更新可重复流而不是在使用过的每一处的方式来书写测试。
Imagine writing tests in such a way that you could update repeated flows in one place instead of everywhere it is used.
该应用在内部使用了发布-订阅式消息传递方式，以将事件和状态更新传达到服务器内的其他代理。
This application used publish-and-subscribe messaging internally to communicate events and status updates to other agents within the server.
可以通过以下三种主要方式，使用新文档更新Demo Index数据库。
There are three main ways to update the Demo Index database with new documents.
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