John suffered from mental deficiency from the point of view of a doctor.
从医生的观点看来约翰患有智力缺陷。
2
Point out problem and deficiency existing in this research, the prospect and imagination of follow-up study.
指出本研究中存在的问题与不足，以及后续研究的展望与设想。
3
Finally, point to the deficiency existing in the hierarchical learning technologies nowadays, which increase a new research task in the research of Robotic soccer.