extended-memory manager

例句：

1. 1. The newsoftware features an extended memory that can store more data.
   这款新软件具有扩展内存，可以存储更多数据。
2. 2. The engineers developed an extended memory manager to improve system performance.
   工程师们开发了一款扩展内存管理器，以提高系统性能。
3. 3. The extended memory manager helps to reduce the risk of data loss during system upgrades.
   扩展内存管理器有助于减少在系统升级过程中数据丢失的风险。