If the length of the event is less than or equal to 1024, only one context data element exists in the event.
如果事件的长度小于或等于1024，那么事件中只有一个上下文数据元素。
2
Clearly, not all these criteria need to be present, and neither does each carry equal weight for a causal relationship between an adverse event and the vaccine to be determined.
很显然，并非所有上述标准都必须满足，在确定副反应与疫苗之间的因果关系时，每一个标准的权重也不同。
3
In Listing 2, to override this, set it equal to a function that accepts a single parameter called event.