multi-level management technique 分层管理技术
multi-level management mechanisms 多层经营机制
multi-level authorization management 分级授权
multi-level role management 多级角色管理
multi-level interest management 分级兴趣管理
multi level interest management 分级兴趣管理
However, there are several security problems in such databases, such as modifying and copying grade easily. A multi-level management model of grade security is presented.
通过分析，提出考试系统成绩的安全性管理的多级管理模式，每一级均起到一定的保护作用。
They compare this situation to the time when developers had to seemingly write operating system level code to handle "multi-tasking" or "virtual memory management".
他们将这种情形比作开发者似乎不得不要书写操作系统级别代码来处理“多任务”或“虚拟内存管理”的时代。
The article believes that the assumption of management accounting is a multi-level systems theory, including basic assumption, derivative assumption and concrete assumption.
本文认为，管理会计假设是一个多层次性的系统理论，包括基本假设、衍生假设和具体假设。
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