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楼主: Alacrity
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Denis Kazungus paper addresses itself to that question. In 1974 Govorov [Go-2] conjectured that only rational power series belonged to .. This conjecture was first disproved by Shearer [Sh], using methods which we will generalize and extend in this paper. We will also show that the set . is countable and derive some of its properties.
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Access control and management in multilevel database models,red..In this paper one authorization mechanism basing on three logical security levels is presented. The proposed architecture reflects the logical architecture of the multilevel view of databases. For each level the security information description models are discussed. Finally a grant and revocation algorithm is illustrated.
发表于 2025-3-24 05:29:36 | 显示全部楼层
The Psychiatrist as Philosopher .-linked fatty acyl chain. They are partly secreted as signaling molecules and are playing key roles in plant-root symbioses. However, these molecules are synthesized at the inner membrane and accumulated there. Therefore, they can be considered as membrane-associated lipids. We summarize in this c
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S. Suresh Kumar,K. Jayarajann of specific formulas rather than esoteric statistical theoExcel has become an important and nearly ubiquitous classroom and office resource for students and practitioners who are faced with solving statistical problems on an everyday basis. Despite this, there has yet to emerge a truly practical,
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