Finally, we covered how schemas can be used as an effective mechanism for controlling access to database objects in multi-user environments.
最后，讨论了在多用户环境中如何使用模式有效地控制对数据库对象的访问。
The mechanism of Single Chip Machine (SCM) intellectual instrument, multi-user ammeter based on computer control theory is expounded.
阐述了利用计算机控制原理开发的单片机智能仪表“多用户电能表”的原理。
CCSDS adopts two levels multiplexing mechanism to realize multi-user dynamically common channel.
CCSDS采用多路复用机制实现多用户动态分享信道。
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