北京2008残奥会项目介绍之[4]---自行车（双语版）

北京残奥会的比赛项目有20个大项，即、、、、、、、、、、、、、、、、、、和。根据残奥会规则，所有项目将根据运动员的残疾类别和残疾程度进行分级，共设471枚金 牌，以保证体育的公平竞争和比赛安全。以下是北京残奥会20个大项的双语介绍：

cycling 自行车

athletes with cerebral palsy compete on road and track using standard racing bicycles. athletes with balance difficulties compete on tricycles, but only in road events. athletes with a visual impairment compete on tandem bicycles, both road and track, with a sighted pilot. amputees and riders with other permanent physical disabilities, compete on road and track, using standard racing bicycles. athletes who are wheelchair users and are unable to ride a standard racing bicycle, or tricycle, due to severe lower limb disabilities, compete in road events using three-wheeled handcycles. for all classes, approved disability specific adaptations are permitted, if necessary for the improvement of safety.

残奥会自行车比赛分为场地赛和公路赛。场地赛包括计时赛、追逐赛、争先赛和团体竞速赛；公路赛包括个人计时赛和长距离个人赛（集体出发）。