A person accused of a crime must appear before the court. 受控犯罪的人必须出庭。
To be courteous, respectful and civil to the attorneys, parties, and witnesses who appear before the court. 对出庭或到庭的律师、当事人以及证人礼貌、尊重、文明。
Primarily for pretrial discovery of evidence, expert witnesses to appear before cross-examination, the establishment of the court expert consultants. 主要为证据庭前开示、鉴定人出庭接受质证、设立法庭专家顾问等。