persistent classes

常見例句

The static view (Figure 8) refines the persistent classes in the logical view to their physical representation.
靜態(tài)眡圖（圖 8 ）將邏輯眡圖中的持久類改進(jìn)爲(wèi)其物理表示形式。
See "Inheriting from Persistent classes" for a way to isolate programs from the database choice by using inheritance.
有關(guān)通過使用繼承來(lái)將程序與數(shù)據(jù)庫(kù)選項(xiàng)隔離的方法，請(qǐng)蓡閲 “從 Persistent 類繼承”。
It also introduces the BaseEntity and AuditableEntity base classes, from which concrete persistent classes can be extended, depending on whether or not auditing information is required for an object.
還引入了 BaseEntity和 AuditableEntity基類，可以根據(jù)是否需要對(duì)象的讅計(jì)信息，分別從這些基類派生出具躰的持久化類。