hit a single a
single access
[计] 单存取, 单访问
single access user
[计] 单访问用户
single account system
[经] (在制品)单帐户制
single acting
[机] 单动式
single acting compressor
[化] 单作用压缩机
single acting pump
[化] 单作用泵; 单动泵
single address
[计] 单地址
single address instruction
[计] 单地址指令
single address message
[计] 单地址信息
single adultery
[法] 一方未婚的通奸
single agency
[法] 单独代理
single agent approach
[计] 单模块法
single ale
淡啤酒
single amplitude
[电] 单幅度
single arm anvil
[机] 单臂砧
Single Attached Station
[计] 单一连接站
single ballot
[法] 一次投票
single bar
=dating bar
single base propellant
[化] 单基火药
single beam spectrophotometer
[化] 单光束分光光度计