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abbr.缺血再灌注损伤 (Pulmonary Ischemia Reperfusion Injury)
1、cotangent pi───余切π
2、M ri───abbr.核磁共振成像 (Magnetic Resonance Imaging)；机读信息 (Machine Readable Information)；中等度肾功能不全 (Moderate Renal Insufficiency)
3、pi no───abbr.正输入-负输出 (Positive Input Negative Output)；n.(Pino)人名；(英、法、西、意、葡)皮诺
4、pi t───n.矿井；深坑；陷阱；（物体或人体表面上的）凹陷；（英国剧场的）正厅后排；正厅后排的观众；n.(Pit)人名；(东南亚国家华语)必；vt.使竞争；窖藏；使凹下；去…之核；使留疤痕；vi.凹陷；起凹点
5、approximating pi───近似pi
6、ri p───n.裂口，裂缝；vi.裂开，被撕裂；n.(Rip)人名；(塞)里普；vt.撕；锯
7、pi───abbr.产品改进（productimprove）；预估FaPiao，形式FaPiao（proformainvoice）；首席研究员（principalinvestigator）
8、ri cold───ri冷
9、pi pron───n.粉病灵
1、He soon received promotion, for his superiors [sju: 'pi ri ] realized that he was a man of considerable ability.───本句汉语意思是：不久，他就得到了提升，因为他的上司们认为他的能力相当强。
2、Lesion vascularity, pulsatility index (PI), and resistive index (ri) of the vessels detected were analyzed. And correlated with histologic results.───分析病变处血流的搏动指数(PI)和阻力指数(R I)与病理组织学结果的关系。
3、The Satirized Article by PI Ri-xiu Inherited and Variated to QU Yuan───论皮日休的讽悼文对屈原Sao体文的继承与变异
4、Conclusions: The ratio of ovarian medulla area to ovaries area, PI? Ri of ovarian medulla were important role in diagnosis of PCOS index.───结论：卵巢髓质面积与卵巢面积的比值、卵巢髓质pi, RI值有重要辅助诊断多囊卵巢综合征的价值。
5、Value of Predicting Pregnant Hypertension of Observing PI and RI of Placental Helicine Arteries by Colour Doppler───彩色多普勒检测孕妇ZiGong胎盘床螺旋动脉PI、RI预测妊高征价值
6、Methods The ratio of B/A, PI, RI of orbit artery was detected in 42 cases with EPH gestosis and control group (90 healthy pregnant women).───方法测定42例妊高征孕妇眼动脉血流参数 (B A P I R I)并与90例正常孕妇作对照分析以观察血流参数变化。
1、Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.
2、Methods The ratio of B/A, PI, RI of orbit artery was detected in 42 cases with EPH gestosis and control group (90 healthy pregnant women).