prior user

Blind Multi-User Detection ( BMUD) technology has become a hot topic of current research as it does not need the prior knowledge, such as signature sequences of all users and timing information.

其中盲多用户检测技术无需干扰用户的扩频码和定时信息等先验知识，成为当前研究的热点之一。

You must log in again as the user prior to starting the application to make the change in the new process.

在启动应用程序以使更改在新进程中生效之前，您必须作为该用户重新登录。

You should provide a means for the user to terminate input prior to entering 10 scores.

您应该提供一个方法让用户在输入10个分数之前停止输入.

Prior to a major system error, the impact of the risk of an unintentional user error would be ranked low because of the user's excellent records of entering accurate data.

在发生较大的系统错误前，由于用户在数据正确输入数据方面有良好的记录，因此会认为非故意用户错误的风险影响很低。