What are the specific contents of cross-examination of witness testimony in court?

Legal subjectivity:

The provisions on cross-examination of witness testimony in court have the following specific contents: the witness testimony must be cross-examined and verified by the prosecutor, the victim, the defendant and the defender in court before it can be used as the basis for finalizing the case. If the court finds that a witness intentionally perjures or conceals criminal evidence, it shall deal with it according to law.

Legal objectivity:

Article 61 of the Criminal Procedure Law: The testimony of a witness must be cross-examined and verified by the public prosecutor, the victim, the defendant and the defender in court before it can be used as the basis for finalizing the case. If the court finds that a witness intentionally perjures or conceals criminal evidence, it shall deal with it according to law. Article 62 Anyone who knows the circumstances of a case has the obligation to testify. A person who is physically and mentally defective or young, can't distinguish right from wrong and can't express correctly, can't be a witness.