本底跟随算法
background following algorithm
病历随访数据库系统
the case history and follow-up database system
差分交换式射极跟随器
Differential switched emitter follower
磁场同步跟随
synchronous tracking magnetic field
达林顿射极跟随器
darlington emitter follower
地形跟随坐标
terrain-following vertical coordinates