| 1. | This uses additional storage space in the database
这将使用数据库中的其他存储空间。 |
| 2. | Implementers may override this to provide additional storage information in the data object
实现者可以重写此数据对象以在数据对象中提供附加存储信息。 |
| 3. | External hard disks can be purchased alone and then attached to the microcomputer with cables ; they are used for backing up large amounts of data or for additional storage capacity
外部硬盘可以独立购买，通过电缆线与微机相连；它的用处是备份大量的数据或增加存储容量。 |
| 4. | A loop does not have the overhead of passing arguments , initializing additional storage , and returning values . your performance can be much better without recursive calls
循环不会产生传递变量、初始化附加存储空间和返回值所需的开销，因此使用循环相对于使用递归调用可以大幅提高性能。 |
| 5. | External hard disks can be purchased alone and then attached to the microcomputer with cables ; they are used for backing up large amounts of data or for additional storage capacity
内部硬盘永久性地安置在微机内，只有需维修或更换时才取出。外部硬盘可以独立购买，通过电缆线与微机相连。 |
