| 1. | A transaction preserves the consistency of data , transforming one consistent state of data into another consistent state of data
事务保持数据的一致性，把数据的一种一致状态转换为另一种一致状态。 |
| 2. | The client / server architecture based on com is put forward which can guarantee the easy - management , safety and consistency of data . the formalization expresses of experiment framework and simulation model are built up
给出了实验框架和仿真模型的形式化描述，提出模块化建模的思路，并讨论了其实现策略。 |
| 3. | Although congestion control is required by all applications to ensure network safety , different applications have various constraints in speed , quality and consistency of data delivery
尽管所有的组播应用都要求通过拥塞控制机制来保证网络的安全性，但是不同的应用在数据传输的速度，质量和一致性上有不同的要求。 |
| 4. | In the last main part of this article , we discuss the critical technical problems , such as the system security and the authority control , the document transmission , the consistency of data , and present corresponding solutions
在此基础上，本文研究了基于lotusdomino notes平台集成文档数据库与关系数据库的关键技术：系统安全性及权限控制、公文流转、数据一致性等，并提出相应的解决方案。 |
| 5. | Multidatabase can shield the user and application from the difference of local database , and provide global transaction management , and maintain consistency of data within the local database . multidatabase technology has been accepted in the world
多库系统为用户和应用程序屏蔽了底层数据库操作环境的差异，提供全局事务处理能力，并维护各结点上ldb的数据一致性，从较深的层次解决了异构数据库互操作问题。 |
| 6. | The thesis proposes the method of ensuring integrality and consistency of data of multi - server system , which can increase transmit speed in common telephone network and reduce the cost of users . its transmit speed is much higher than the other systems of same class
论文提出了保证多服务器系统数据完整性与一致性的方法，极大地提高了在普通电话网上的传输速度，降低了用户的使用成本，其传输速度远远高于同类产品。 |
| 7. | This paper brings forward a dynamic group cache mechanism , which fully considers data access frequency , validity and consistency of data , and which reduces the network load and improve the response speed by reducing the distance of data transmission
本文提出的组缓冲机制，充分考虑了数据访问频率、数据有效性和一致性，将部分数据缓冲在组内，减少了查询时数据传输的距离，进而减少网络通信开销，提高查询响应速度。 |
| 8. | The research results is briefed as follow . ( 1 ) a new communication and decision - making method is presented , which integrated several new tools as well as some old ones ; ( 2 ) a new concept of " virtual communicating place shared in real time by multi - user " is brought forward , and a new technology based on event - driving and message - transferring mechanism is designed to realize graphic data shared by multi - user and displayed synchronously under net environment , which is the basis of the whole system . ( 3 ) a new mechanism for team members to share data efficiently is devised , which supports collaborative working in progress , maintains the consistency of data , records the history of design and etc . by defining a new type of the design data attributes and the privilege of team member to access to data in different time , using a new method of data manipulating , the team data sharing is realized
本文的主要研究成果为： ( 1 )在研究国内外网络决策交流方式方法的基础上，综合多种方法的优点，提出了一种新的决策交流方式，采用了多种手段和工具，完善了网络决策交流的机制； ( 2 )提出了多用户共享的可视化虚拟交流空间的概念，并对其实现技术进行仔细的分析，针对目前存在的技术难点，提出了可行的解决方案，设计了一种新型的基于事件驱动和消息传递机制的多用户实时共享图形数据的解决方案，并采用了跨平台的java技术实现了网络环境下图形数据的实时交流和显示； ( 3 )针对团队协同的网络cad系统的特点和要求，提出了一种新的团队数据共享机制，通过对产品数据的基本属性、历史属性、共享状态属性和关联属性的定义，结合对团队成员在不同设计阶段的权限控制，采用新型的对共享数据库的数据操作方法，动态地维护团队数据的共享、设计的变更、设计进程的同步、关连数据的一致性、以及多个团队之间的数据交流。 |
| 9. | The main innovation of the thesis : 1 . based on the actual environment , the author successfully implements the distributed multi - server system composed by multiple client / server systems in unstable low - speed telephone network , and successfully guarantees the integrality and consistency of data
论文的主要创新点：一、作者针对现实情况，在不稳定的低速普通电话网上，成功的实现了将多个client server系统组装成分布式的多服务器系统，并成功地保证了数据的完整性与一致性。 |
