当客户机联机时——即客户机已经连接到服务器——在对本地数据库进行更新之后，将立即触发数据库同步。
When the client is online a "that is, when the client has connectivity to the server — database synchronization can be triggered immediately after an update is made to the local database."
如对喷油系统油压信号的采集，即需要具有高速采集数据的性能，又要能满足特殊同步的要求。
For example, the characteristics of data acquisition system for sample oil pressure signal of an injection system are of high speed, and special synchronization.
上述两种可能性均有一些数据支持，但也存在这样一种可能，即它们是在同步运行。
There is some data to support both possibilities, and it's possible that they work in concert.
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