file memory

• 文件存储,大容量外存储器

file memory的用法和样例：

例句

1. The file store properties are for advanced use only.
   文件存储属性仅用于高级用途。
2. External file storage is more flexible but does not benefit from database-managed persistency and integrity.
   外部文件存储更为灵活，但是却无法获益于数据库管理的持久性及完整性。