rapidityn.迅速；急速rapidadj.短时间发生的；急速的；迅速的；快的；险峻的n.急流；湍滩rapid- micropropagation快速繁殖rapid transfer aligrnment快速传递对准rapid mobile support team快速机动保障队rapidly urbanizing region快速城市化地区rapid laying of wire mesh快速上网rapid recursion algorithm快速递归搜索rapid public traffic mode快速公交模式Rapid right atrial pacing快速右心房起搏rapid astronomic location快速天文定位rapid atrial fibrillation快速心房颤动