primary computer system

• 主机系统

primary computer system的用法和样例：

例句

1. Take advantage of operational data in a third party host system.
   可利用第三方主机系统中的作业数据。
2. The technology resides either on a host computer or at key points on the network.
   此技术留驻在主机系统上或者网络的关键点上。