移动性的

Mobility constraints break key assumptions associated with distributed computing. As a result, most traditional mechanisms and algorithms have low performance in mobile environment.

然而，移动性约束打破了传统的分布式系统对计算环境的假定，使得传统的数据访问技术和算法在性能和可用性等方面不能满足移动计算系统的要求。

In the mobile computing environment, mobility and disconnection are the two important characters.

在移动计算环境中，移动性和断接性是它的最主要的两个特点。

Although the unique independence, mobility of Mobile Agent can improve the haleness, tolerableness, adaptability and expansi- bility of the intrusion detection system, which induce Mobile Agent has used for intrusion detection system, it is necessary to improve on the intrusion detection system which base on Mobile Agent for questions faced the intrusion detection system.

虽然移动Agent独特的自主性和移动性可以提高入侵检测系统的健壮性和容错性，增强适应性和可扩展性，使得移动Agent技术目前已经用于入侵检测系统，但是考虑目前入侵检测所面临的问题，有必要对基于移动Agent的入侵检测系统改进。

The mobility and intelligence have provided the mobile agent with much more advantages and better prospect than the traditional computing technologies.

移动主体系统的移动性和智能性使其具有比传统计算方式更多的优点和广泛应用前景。

Aiming at the dynamic nonhomogeneity and kinematic redundancy, making reference to the actions of human beings, we propose a new hierarchical approach of coordinated path planning for mobile manipulateors, and a dynamic weighting strategy, which can avoid obstacles and get the best results of optimization.

针对移动机械手的动态不均匀性及运动冗余性，参考人类完成任务时的行为，本文提出了一种分级协调路径规划法，以及一种动态加权的优化策略，对移动机械手的路径进行离线规划，在避障的前提下保证了移动机械手性能指标最优。

In addition, a new synchronization scheme, Double-Timestamp Transaction-Level Synchronization model is put forward to solve the synchronization problem under the 3-tier replication architecture (Mobile Client - Synchronization Server - Database Server). DTSTLS utilizes a novel double-timestamp strategy to promote the efficiency of synchronization. Besides, it ensures serializability and consistency of the mobile database system through transaction-level conflict reconciliation.Mobile transaction processing is another key technology to provide efficient information service in mobile computing environment.

通过引入一种乐观并发控制方法与两段锁协议相结合的移动事务处理机制，本文重点解决了交互式长事务的问题，并提供了对移动主机任意移动性和数据库系统一致性的支持；在移动对象数据库方面，本文提出了一种新的移动对象数据库模型—离散时空轨迹移动对象数据库模型，重点阐述了DSTTMOD模型中的位置表示方法及位置更新处理策略，并分别给出了基于GRID文件和基于QUAD树的移动对象索引算法。

The most innovative idea of this paper is to complect the mobile detection of Mobile IPv6 and VPN detection. This makes the mechanism more efficient and easy to implement, what's more, the solution is compatible with IPv4/v6 coexistence condition.

本文的创新之处是充分考虑了未来NGN的发展，率先采用移动IPv6作为移动VPN的移动性支持，并将移动IP的移动检测与VPN检测紧密结合起来，最大限度的达到准确高效的目的，同时又获得了针对IPv4/v6共存网络环境的支持，本文中的内部网络检测机制已经向国家专利局申请专利(申请号200610058450.1)。

Results indicated that reaction moved according to de novo synthesis mechanism with the increase of oxidation ability of MFA, while increasing chlorinating ability moved reaction towards precursor formation mechanism.

结果显示，模拟飞灰氧化性的增强使反应向从头合成反应机制的方向移动，氯化性的增强使反应向前驱物反应机制反应方向移动。

In order to enhance service availability and improve system performance, it is necessary to configure multiple HAs on the home link and efficiently balance load among these HAs.

在移动IPv6网络中，为确保移动节点的可寻址性，提升网络系统的服务可用性和系统性能，有必要在家乡链路部署多HA，并有效平衡负载。

A 4G cellular system, successor to systems of 3G and 2G standards, must have target peak data rates of up to 100 megabytes per second and up to 1 gigabyte per second for low and high mobilities.

它必须能够在低移动性时达到100Mb/秒的峰值数据速率和在高移动性时达到1Gb/秒的峰值数据速率。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。