GIS服务动态选择选择机制
dynamic GIS service finding mechanism
空气出口选择开关
air outlet selection switch
域间出口选择
Inter-domain Egress Selection
终端地址选择口
terminal address selector
多议席选择选票制
multi-member preferential system
三切口手术
Three inclsions operation
Ⅰ类切口手术
TypeⅠincision operation
Type I incision operation