可分为先天性和后天性原因所引起，它可发生在身体任何部位，但以四肢较为常见。
Can be divided into congenital and tile causes, it can occur in any part of the body, but with limbs are common.
扁平足：先天性或后天性足纵弓平坦的一种外科病。足和足跟向外侧旋转，足弓消失，形成八字脚。
Flatfoot: Congenital or acquired flatness of the arch of the foot, in which the foot and heel usually also roll outward, resulting in a splayfooted position.
肾囊肿的发生原因尚不完全清楚，可能与先天性肾小球、肾小管结构异常和后天性损伤感染有关。
The reasons of Renal Cyst occur still unconfirmed, may occur from congenital glomerular, renal tubular structure anomalies and postnatal damage infection.
应用眼震电流描记术，对16例先天性和10例后天性眼球震颤患者进行了多项试验检查。
With electronystagmography (ENG), various tests were carried out in 16 patients of congenital and 10 patients of acquired nystagmus.
时至今日，先天性、后天性心血管病手术治疗达到相当高的成功率与体外循环技术和水平的提高休戚相关。
To today, the achievement ratio of the operation treat to angiocardiopathy is fairly high, which is correlate to the technique and level of CPB.
时至今日，先天性、后天性心血管病手术治疗达到相当高的成功率与体外循环技术和水平的提高休戚相关。
To today, the achievement ratio of the operation treat to angiocardiopathy is fairly high, which is correlate to the technique and level of CPB.
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