因为总是要测试数据类型，所以也可以创建一个属性用于存储单元格的数据类型信息。
Because you're testing for the data type anyway, you can also create an attribute that stores the cell's data type information.
它还存储了单元的整体信息，比如单元范围的安全策略、票证有效期等。
It also stores the information about the cell as a whole, such as cell-wide security policy, ticket lifetimes, etc.
从存储单元或寄存器快速地存取信息的能力。
A capability of accessing information quickly from storage unit or register.
应用推荐