根据由每项中所含关键字或字段所确定的规则,将数据排列成某种所需次序的过程。 The process of arranging data into some desired order according to rules dependent upon a key or field contained in each item.
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。 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.