abbr. per day 每日
Visual hallucination is a common non-motor symptom among patients with PD.
视幻觉是帕金森(PD)患者常见的一种非运动性症状。
The objective is to investigate difference of metric ruler, videorefactor and pupillometer in measuring pupillary distance (PD).
目的是研究度量尺,视频重构和瞳孔计在测量瞳孔距离(PD)方面的差异。
What is the treatment for PD?
如何治疗帕金森病?
PD: Which big bed?
达:哪张大床?
Arrest warrants are out for five other PD Notebook journalists.
逮捕令签发给了《PD手册》的另外五名记者。