The locate command periodically (once a day or so, tuned by your system administrator) catalogs every file on your system and builds a database of path and file names.

locate命令周期性地(大约每天一次，由系统管理员设置)为系统中所有的文件编制目录，并构建一个由路径和文件名组成的数据库。

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The Database builds a new RandomAccessFile and gives it the project name and the time in milliseconds -- these are the *.pdom files you see.

Database 构建一个新 RandomAccessFile 并将项目名称和时间（以毫秒为单位）赋给它 —— 这就是所看到的 *.pdom 文件。

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Figure 2 shows that this framework builds a bridge between the database and the "Bean parts."

图2展示了此框架在数据库和“Bean部分”之间建立了连接。

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At the same time ATSAC builds a rich database of historical traffic statistics used to adjust the timing of signals and to tweak intersection configurations across the system.

FORBES: Technology