Although such growing prostheses have been used for more than 20 years , cuhk pioneered the mini - surgical approach for the lengthening of the device . the 1 - cm only incision minimized the risk of infection and resulted in faster rehabilitation when compared to the open method used elsewhere in the world . the newest model of growing prosthesis is even more beneficial to patients 金属骨伸延仪器发展至今,已有二十年历史,中大医学院率先利用微创手术,为病童伸延金属骨,医生只须在病人的肢体上开一个一厘米长的切口,相比世界各地仍采用的传统开放式手术,病童康复更快、感染机会更低。
In the process of teaching , i try to guide the students in creating the situation ; permeating the ideas of mathematics ; enjoy the features of mathematics ; developing the chains of problems and exposing different ways to solve problems . 2 . i ' ve managed to practise the opening method in working out mathematics problems 数学教师要树立科学的学生观、正确的教师观和教学观,关注学生的全面的可持续性发展,从而有效改进自己的教学行为,在寻找传统与创新的有效结合方式的同时,努力探索并构建创新型的整合教学模式。