您需要使用来自CPAN的Time：HiRes模块，以便在记录数据时提供亚秒级的计时控制。
You'll also need the Time: : HiRes module from CPAN to provide subsecond timing control when recording data.
它实施一个授权过程。在调用控制器级事务之后，这可能限制终端用户可查看的记录数量。
It enforces an authorization process that may limit the end user on the amount of records it can view after the controller level transaction is called.
它的主要功能包括数据收集、计算处理、数学建模、结果显示和记录，同时实现设备控制级和在线生产管理级之间的数据交换。
Their key functions are data collection, calculation, modeling, result display, record tracking, and data interaction between production machines and online production management systems.
研究了ENUM用户隐私信息的保护，对ENUM记录资源访问进行权限控制，提出了基于用户认证的ENUM记录级授权访问解决方案。
Do some research on the protection of the private information of ENUM users and the access control of ENUM resource record, and propose a solution based on the authentication of ENUM record access.
研究了ENUM用户隐私信息的保护，对ENUM记录资源访问进行权限控制，提出了基于用户认证的ENUM记录级授权访问解决方案。
Do some research on the protection of the private information of ENUM users and the access control of ENUM resource record, and propose a solution based on the authentication of ENUM record access.
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