Instead of making machines that had to have software specially written for them, people built machines to work compatibly with this machine, so-called "clone" machines.
The practice has proved that CPR system runs normally, safely, stably and compatibly。 Moreover,it is maintained easily and it can enhance veterinary medical level and learning efficiency through sharing information in whole local network.
ConclusionMMP -2 and MMP -9 play an important role in the course of the bacterial corneal ulcer and corneal thermal burn, which are distributed with the substrate compatibly, and conformed with the degree and position of the pathological change.