Conclusions coronary artery bypass grafting is a safe and effective methodof treatment to elderly patients with coronary artery disease.
结论对于老年冠状动脉疾病患者，冠状动脉旁路移植术是一种安全、有效的治疗方法。
2
Grafting is a common method for modification of carbon blacks.
炭黑接枝是常用的炭黑表面改性方法。
3
The experiment of the prototype machine manifests that the two method 's integration can guarantee the reliability and security of the cornea grafting microsurgery robot system.