Significant advantages arise when the storage system is reduced in importance and the retrieval system is separated from it and significantly enhanced. 如果存儲系統重要性下降，檢索系統從存儲系統分離出來(lái)且重要性增強，那么將會(huì )有很大的好處。
An artifact that is one of the individual parts of which a composite entity is made up,especially a part that can be separated from or attached to a system. 人造物品，是組成復合實(shí)體的個(gè)體，尤其是可以從系統分離或附著(zhù)于系統的一部分。
