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A major challenge of Dynamic Binary Translation (DBT) is to efficiently handle the indirect branch. Conventionally, to translate indirect branches (IBs), DBT systems need to conduct address mapping between Source Binary Blocks (SBB) and Translated Binary Blocks (TBB). However, even a dedicated address mapping process still results in non-trivial performance overheads to DBT. This paper first provides...
With the rapid development of science and technology, maintenance work becomes very difficult due to the use of a large number of new technology, new material and new equipments, which make equipment under repair be more complex. How to evaluate the working posture of servicemen rapidly, accurately and quantitatively is the most important during maintain work. This paper studies typical maintenance...
This article elaborates the concept and meaning of virtual reality technology and virtual maintenance, discusses the virtual reality technology application in the process of equipment maintenance, and gives a brief introduction to virtual maintenance system, which use VC and vega software as a platform and set up by Multigen Creator and 3D MAX, quoted an cannon as an example.
Role hierarchies are fundamental to the role based access control (RBAC) model. The notion of role hierarchy is a well understood concept that allows senior roles to inherit the permissions of the corresponding junior roles. Role hierarchies further ease the burden of security administration, as there is no need to explicitly specify and maintain a large number of permissions. Given a set of roles...
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