That said, in order to reduce the frequencyof such occurrences, see #4.
尽管如此，可以参考#4，减少这种意外的发生频率。
2
Frequency is a measure of the number of occurrences of a repeating event per unit of time.
频率即衡量单位时间里重复事件发生的次数。
3
Produces a list of the unique code occurrences and their frequency in an output table for a specified set of fields from an input feature class or table.