polyinstantiation中文什么意思

多例化

例句与用法

1. All the results help in solving polyinstantiation in developing a mls database application system and a mls dbms based on the free software postgresql . 2
   第2章中的分析结果为开发多级安全数据库应用系统和基于postgresql开发安全数据库系统中处理该问题提供了基础。
2. Operations on xml documents under mac policy are described in details . the polyinstantiation caused by these operations is also discussed . some implementing mechanisms for key models are given
   详细地描述了如何实现强制访问控制策略下针对xml文档的操作，并讨论了可能引起的多实例情况和解决办法，然后给出了一些关键模块的实现机制。
3. The problem of polyinstantiation in mls dbms is discussed . in chapter 2 , its catalogue 、 the mean of production and the influences on mls dbms are anylized . especially a number of implementation ' s characteristics and scope of application are analyzed carefully and currently commercial mls dbms ' s approaches were introduced
   分析了其产生原因，讨论了各种解决方法，包括多实例的实现方法和避免多实例的替代性方法，分析了其优缺点，结论是必须根据特定应用的要求进行正确选择，即按照tdi的要求解决以多实例来阻止的隐蔽通道问题。

百科释义

Polyinstantiation in computer science is the concept of type (class, database row or otherwise) being instantiated into multiple independent instances (objects, copies). It may also indicate, such as in the case of database polyinstantiation, that two different instances have the same name (identifier, primary key).