补充侦查是指公安机关、人民检察院依照法定程序,在原有侦查工作的基础上,就案件的部分事实、情节继续进行侦查的诉讼活动。审查起诉阶段的补充侦查,作为侦查活动的必要延续,对 The supplementary investigation means that public security organs and people’s procuratorates continue to carry out the lawsuit activities of investigation on the basis of the original investigation work and part of the facts and circumstances of the case in accordance with the legal procedures. The supplementary investigation during the prosecution phase of prosecution is necessary as a continuation of investigation activities