如何有效延长肝脏保存的时间以及减少肝移植过程中肝脏的缺血再灌注损伤一直是肝脏外科面临的一个重要课题。
How to extent the time of liver preservation and reduce the liver graft ischemia-reperfusion injury are the unresolved problems in the field of liver transplantation.
目的：探讨穿透性角膜移植术(pkp)后的角膜形状改变以及如何进行屈光矫正。
Objective: to investigate the changes of corneal shape and how to correct the refractive error after penetrating keratoplasty (PKP).
详细说明：此手册是有关GNU编译器的内部知识，包括如何在不同目标上的移植问题以及如何编写新语言的前端等。
This manual documents the internals of the GNU compilers, including how to port them to new targets and some information about how to write front ends for new languages.
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