基于模型，研究牵引式可视数字跟踪系统中目标的智能识别跟踪。

Based on the model, the intelligent recognition and tracking of the image object in the led visual digital tracking system is discussed.

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管理者要成功地使用多种系统来跟踪委派的工作，如每日计划、个人数字助理和项目管理软件程序。

Managers successfully use a variety of systems to track delegated tasks, including daily planners, personal digital assistants, or project management software programs.

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给他们指定进程ID或者数字标识符为的是让操作系统跟踪正在执行的程序和这些程序的相关联的优先等级。

They are assigned a process id or a numerical identifier so that the operating system may keep track of the programs currently executing and of their associated priority levels.

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