search key

详细解释:【计】 检索关键字

例句：

A method of transforming a search key into an address for the purpose of storing and retrieving items or data. The method is often designed to minimize the search time.为存储和检索数据项或数据，把搜索关键字转换为一个地址的一种方法。该方法常用于减少搜索时间。