Add filter conditions for referenced parts.
Because some key concepts we may want to see the number of times it is mentioned in a certain document, not the number of times it is mentioned in the entire knowledge base.
It would be even better if the statistical table can be automatically generated.
For example, which knowledge points are mentioned in this document, the number of times they are mentioned, and the parts that are mentioned many times can automatically generate sub-documents to facilitate card training.
