指定在触发探测时执行动作必须满足的条件(如果有的话)。

Specify the conditions, if any, that must be satisfied for the actions to be executed when a probe fires.

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它们指定组件执行请求的操作之前需要满足的条件。

They specify conditions that the component requires to be true to perform the requested operation.

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如果满足规则的所有条件，则执行该规则的结果。

If all the conditions of a rule are met, then the consequences of that rule are executed.

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