In this paper, taking construction of Fengtai softballfield for Beijing 2008 Olympics as an example, the technological process is described.
以2008年北京奥运会丰台垒球场场地建设方法为例，阐述了建设垒球场场地的技术流程。
2
All the cases were accomplished by VATS, making three incisions in accordance with the principles of SoftballField, no case was changed to thoracotomy.
全部病例均在全胸腔镜下完成，按照垒球场原则胸腔镜三切口，无中转开胸病例。
3
Walk the sidelines or stroll around the field instead of lounging in the stands while the kids play soccer or softball.