To implement the timeliness of control rules, the term of conditional cycle based on cycle theory and tense RBAC are proposed, and we have defined role restriction, operating request and trigger in the form of conditional cycle expression.
为了实现控制规则的时态性,SCIAC模型在周期理论和时态RBAC的基础上提出了条件周期表达式,并以条件周期表达式为基础定义了角色约束、运行请求和触发器。
参考来源 - 面向VPN的访问控制模型及相关技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Called conditional cash transfers or CCTs, these social assistance programs are designed to reduce inequality and break the cycle of poverty.
这些被称为有条件现金转移支付的社会援助项目旨在减少不平等现象，打破贫困循环。
The paper examines the extent to which the conditional volatility of stock market returns in Chinese stock markets is related to the conditional volatility of financial and business cycle variables.
这篇论文目的是考察在中国股票市场中，股票市场收益率的条件波动率与宏观经济变量的条件波动率之间的相关程度。
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