It compares the expected value to the actual value read from the event occurrence data to determine if duplicate events were consolidated.

它会比较预期的值和从事件发生数据读取的实际值，从而判断是否整合了重复事件。

youdao

Occurrence: The occurrence parameter specifies which match to get a value of.

occurrence：发生参数指定要获得哪个匹配的值。

youdao

First, the actual occurrence of a specific value may indicate whether there are issues such as incomplete data by the presence of a Null value, a Space, and so on.

首先，一个特定值的实际出现可能表明是否存在问题，例如由于null值、空格等造成的不完整的值。

youdao

Under the cover of the Basel rules, RBS and the Rock took the kind of risks that no investor with half a brain would ever take (is it an unusual occurrence for the value of investments to fall by 2%?).

BBC: If banks are treated as naughty kids...