Every time a new version of a message flow or message set is added to the BAR file, the name of the recently added file appends with "_" (underscore) and the version number.

每次将消息流或消息组的一个新版本号添加到BAR文件中时，最近添加的文件的名称都会附加上“_”(下划线)和版本号。

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A message that is sent to replicate a database change may include the current version number or timestamp of the data.

在通知复制数据库更改的消息中可能包含数据的当前版本号或时间戳。

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An Update Number is used to identify a particular version of a message.

更新号用来标识消息的特定版本。

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