They represent an aggregatestate of a set of database objects, in our case, nicknames or servers.
在我们的例子中，这些指示器表示数据库对象(如别名或服务器)集的聚合状态。
2
They represent the aggregatestate of a set of database objects, one of which is normal and all others are considered non-normal.
它们代表一组数据库对象的合计状态，其中一个状态表示正常，其他所有状态表示非正常。
3
Weather and climate are intimately related: weather is the state of the atmosphere at a given place and time, while climate is the aggregate of weather conditions over time.