The movement of data from fast-accessstorage ( magnetic disc ) to storage of lower access speed ( magnetic tape ).
数据由快速存取存储器（磁盘）传送到存取速度较低的存储器（磁带）的过程。
2
Amazon's SimpleDB is a fast and simple cloud-based database which provides indexing, storage, and access.
Amazon的SimpleDB是一个基于云的快速而简单的数据库，它可以提供索引、存储及访问。
3
Owing to the advantages in high storage capacity, fast data transfer rate, and short access time, volume holographic memories (VHM) are considered to meet the needs.