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永久对象存储技术为程序员提供了在高级语言一级操纵内、外存的能力，永久对象存储技术的研究体现在永久性面向对象程序设计语言（ＰＯＯＰＬ）、面向对象数据库（ＯＯＤＢ）和对象管理系统（ＯＭＳ）的实践中。本文讨论了永久对象存储的相关概念及基本要求，概述了ＰＯＯＰＬ、ＯＯＤＢ和ＯＭＳ的有关内容，之后介绍了ＪＢ２／ＯＭＳ的设计，并简要讨论了一个分布式对象存储的原型设计。
Persistent object storage technology provides programmers with the ability to manipulate both internal and external memory at a high level of native language. Research into persistent object storage technologies is found in POOPL, Object Oriented Database (OODB), and Object Management System (OMS) practice. This article discusses the concepts and basic requirements for persistent object storage, outlines POOPL, OODB, and OMS, introduces the design of JB2 / OMS, and briefly discusses a prototype design for distributed object storage.