Refactoring is an incremental activity hence it touches some portion of the system at a time.

重构是一种增量式的活动，因此它每次只会接触到系统的一部分。

youdao

Mozy also backs up based on file changes, only uploading the portion of a file that has changed and not the entire file all over again (meaning quicker incremental backups after the initial backup).

Mozy还可以检测文件变化而进行备份，只备份变化后的部分而非整个文件(这意味着更快的处理速度)。

youdao

Mozy also backs up based on file changes, only uploading the portion of a file that has changed and not the entire file all over again (meaning quicker incremental backups after the initial backup).

Mozy还可以检测文件变化而进行备份，只备份变化后的部分而非整个文件(这意味着更快的处理速度)。

youdao