1) Relation of change grade
变级关系
2) multilevel relation
多级关系
1.
The multilevel relational schema based on the data item level is described.
分析了多级安全关系数据库系统中客体安全级的不同定义方法；描述了基于数据项级的多级关系模式；对利用多示例和分级存储的方法防止高安全级数据的泄漏，多级关系的分解和恢复进行了详细的讨论。
2.
Therefore,this paper presents a decomposition algorithm that breaks a multilevel relation into single-level relations and a recovery algorithm which reconstructs the original multilevel relation from the decomposed single-level relations.
因此,该文提出了一个能够将多级关系分成多个单级关系的分解算法和一个能够将这些分解后的多个单级关系重新构造为原来的多级关系的恢复算法。
3.
Then the security label implementation,the original data dictionary modification,DDL and DML security enforcement and multilevel relation decomposition and composition are discussed in details.
文中概括介绍了BLP模型原理及PostgreSQL软件结构,详细阐述了原型系统安全标识实现、PostgreSQL系统原有数据字典的改造、DDL和DML语言的改造,并介绍了多级关系的分解与恢复算法。
3) single-level relation
单级关系
1.
Therefore,this paper presents a decomposition algorithm that breaks a multilevel relation into single-level relations and a recovery algorithm which reconstructs the original multilevel relation from the decomposed single-level relations.
因此,该文提出了一个能够将多级关系分成多个单级关系的分解算法和一个能够将这些分解后的多个单级关系重新构造为原来的多级关系的恢复算法。
4) classification relationship
分级关系
1.
This article begins with the analysis of individual spacial distributing feature of urban leisure industry,it discusses its spacial classification relationship.
本文通过对城市游憩业个体空间分布特征的研究入手进一步论述了城市游憩业的空间分级关系。
6) Primary Relations
初级关系
1.
Change of Primary Relations and Settlement of Civil Disputes
初级关系变迁与民间纠纷解决
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条