Objective To evaluate the therapeutic effect of PKP on corneal disease.

目的评价穿透性角膜移植术治疗角膜疾病的疗效。

youdao

Seismic PKP arrivals are sensitive to P velocity structure in the lowermost mantle.

PKP震相包含了下地幔底部P波速度结构的重要信息。

youdao

Two types of keratoconus after PKP have remarkable divergence of post-operative corneal topography(P<0.01).

圆锥角膜术后两种类型角膜地形图参数差异有显著意义（P<0.01）。

youdao

Polish PKP railways spokesman Lukasz Kurpiewski told TVN24 that about 280 passengers were believed to have been on board the train.

BBC: Poland: Train passenger killed in derailment