This paper analysis the centralized control scheme based on logical key hierarchy and gives an improvement.
本文对基于逻辑密钥树的集中控制方案进行了分析和改进。
The logical key hierarchy (LKH) scheme is the most efficient protocol for key management in the field of multicast at present.
逻辑密钥层次（LKH）方案是目前多播领域中最有效的密钥管理协议。
A key technique for ensuring timely resource release is to maintain a strict hierarchy of ownership; with ownership comes the responsibility to release the resource.
确保及时的资源释放的一个关键技巧是维护所有权的一个严格层次结构，其中的所有权具有释放资源的职责。
Reduced hierarchy and transparency are both key principles of open source project management.
减少层级结构和增加透明度是开源式项目管理的两个重要因素。
Both countries have a longstanding obsession with hierarchy (fancy job titles can be the key to getting a bride as well as the admiration of your friends).
这两个国家长期以来都困扰于等级制度，能否拥有一个花哨的职衔甚至攸关能否娶到新娘和赢得朋友的钦佩。
With the MFC piano control, I created a hierarchy of piano key classes representing these different shapes.
与MFC钢琴的控制，我创建了一个等级的钢琴代表这些不同形状的关键类。
Establishment of the system about evaluating the ecotourism hierarchy is the key to the ecotourism certification.
生态旅游认证的关键是建立生态旅游等级评价体系。
This paper discusses the architecture, hierarchy and key technology of culture grid.
探讨了文化网格的体系结构、层次模型及关键技术。
Environmental impact assessment of water resources project is a multi-index hierarchy complex, of which the key problem is how to quantify with reason the weights of each index of the system.
水资源工程环境影响评价是由众多指标组成层次结构的复杂系统，其关键问题是如何合理确定各评价指标的权重。
The specialized practical hierarchy is the key to realize the purpose of professional education, which needs reasonable and scientific design.
专业实践教学体系以及课程实践体系的科学、合理的设计是实现教学目标的关键。
With the application of symmetric cipher and asymmetric cipher, a cryptographic key management scheme for hierarchy is presented and a workgroup cryptographic key management scheme is presented.
结合单钥加密和双钥加密的理论，分别给出了纵向的等级安全管理密钥管理方法和横向的协同工作安全管理的工作组密钥管理方法。
Then through resolving a key operator equation, we obtain the commutator representation of this hierarchy of the soliton equations.
之后，通过求解一个关键性算子方程，得到此类孤子方程族的换位表。
Transport MPLS(T-MPLS)hierarchy(TMH)is the key point in recent transport network technology study.
传送多协议标签交换（MPLS）（T-MPLS）体系（TMH）是目前传送技术的研究的热点之一。
The problem of the key spare-roll vendor selection for the large-scale iron-steel enterprise is studied based on the interval numbers analytic hierarchy process.
基于区间数层次分析法研究大型钢铁企业关键备件——轧辊供应商评价。
We particularly introduce the function and hierarchy of the directory service, which is NPMI's key component.
重点分析NPMI的核心目录服务的功能与目录组成结构。
The paper focused on the combining of the Key performance Indicators (KPI) and the Analytical Hierarchy Process (AHP) method to evaluate the performance of mid-level managers.
文章重点是通过关键绩效指标(KPI)和层次分析法(ahp)的结合使用，对企业中层管理者进行绩效评价。
Tactile teaching aid is the key part of object teaching in schools for the blind and teachers should be aware of the hierarchy of it.
盲校教师在制作、使用触觉教具时，不应受视觉规律的主导。
Tactile teaching aid is the key part of object teaching in schools for the blind and teachers should be aware of the hierarchy of it.
盲校教师在制作、使用触觉教具时，不应受视觉规律的主导。
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