应用程序可以设置浏览过滤器来影响服务器返回的OPC项目个数。

Browse filters may be set by the application to effect the number of OPC Items returned from the server.

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浏览图：这些类似于主题图，在那里您首先选择主题元素，然后定义管理将被描述的相关元素种类的过滤器。

Browse Diagrams: These are similar to topic Diagrams in that you begin by selecting topical elements and then define filters that govern which kinds of related elements will be depicted.

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举例说明，如果没有首选房间过滤器，您就必须在所有可用房间的列表(显示在一个相对较小的窗口内)中滚动浏览，查看是否有某些特定房间可用。

For example, without the preferred room filter, you have to scroll through the list of all available rooms (in a relatively small window) to see if some particular room is available.

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