Suppose you're working on an application that holds two tables: One maps an employee name to a serial number and the other maps the serial number to a salary.

假设您的应用程序有两个表：第一个表将员工姓名映射到一个员工号，另一个将这个员工号映射到一个薪水记录。

youdao

Correlation is used to address specific instances using application level data, such as the travel approval request of a person based on employee serial number.

相关性用来利用应用程序级数据处理特定的实例，例如根据员工序号审批某人的旅行请求。

youdao

I also knew that the system serial number was guaranteed not to change, so I wasn't going to have application licensing problems because the system ID had changed.

我也知道系统序列号肯定不会变，所以不会出现由于系统ID变化导致的应用程序许可证问题。

youdao