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。

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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。

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Finally, point to the deficiency existing in the hierarchical learning technologies nowadays, which increase a new research task in the research of Robotic soccer.

最后，指出了当前机器人足球中分层学习技术存在的不足，为以后机器人足球研究又增加了一个新的研究课题。

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Case in point: the familial disorder known as lipoprotein lipase (LPL) deficiency affecting 1 to 2 persons per million, which is caused by mutations in the gene that codes the LPL enzyme.

FORBES: Europe Takes The Lead Toward Approval Of First Gene Therapy Drug