用户用户业务主持人运营商
UserApplicatorEmceeOperator
半导体现用内存
semiconductor active memory
SAM
采用用户仪器的测井服务
customer instrument service
电力用户用电信息采集系统
power user electric energy data system
多用户存贮设备
multiple user storage equipment
公用内存信息传送
common memory information transfer
罕用内存
least frequently used memory