- CAD of the creature valve frame is realized by structured programming and parametrization.
生物瓣支架计算机辅助设计是通过模块化结构的设计方法并对其进行参数化设计来实现的。
- The doctors have now replaced the aortic valve with a biological valve and said the operation was successful.
医生已经用生物瓣置换了布什夫人的主动脉瓣，并且手术非常成功。
