he added that pollution related cardiac arrests occurred during times when the levels were high but still below the current epa safety threshold.

what they were looking for was simple: were there more cardiac arrests on high pollution days than on lower pollution days?

他们正在寻找的东西是简单的：是否在高污染日子里比低污染日子有更多的心脏停搏？

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the method can reduce the code redundancy, enhance the reuse of common services among federates and federation, and compensate oop insufficiency in solving the crosscutting problems.

该方法可以降低代码的冗余度，提高分布式仿真中联邦间公用服务的重用性，弥补OOP在解决横切问题上的不足。

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a hla federation is a distributed interactive simulation system consisting of many collaborative hla federates, so synchronous problems in designing hla federates should be considered.

由于HLA联邦是由多个HLA联邦成员协同组成的一个分步交互式仿真系统，所以在HLA联邦成员设计中必须考虑同步问题。

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the hla/ rti provides services of declaration management and data distributed management to distribute data in order to limit the messages received by federates to those of interest.

HLA提供了声明管理和数据分发管理服务来进行数据的分发，使联邦成员只接收它感兴趣的信息，从而减少上网的数据量。

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the adaptable federate concept is provided to resolve the issues on reusing federates and the object model mapping is the key to adaptable federate.

提出自适应性成员是为了解决联邦成员重用的问题，对象模型映射是自适应性成员的关键技术。

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based on analyzing function of materiel management office, it developed simulation object model ( som) of the federate and universal framework of federates' simulation execution management.

在分析装备管理机关功能的基础上，开发了联邦成员的仿真对象模型（SOM）和联邦成员仿真运行管理的通用框架；

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based on briefly introducing the functions and characters of the system, the paper puts emphasis on the design of federates, mainly including the design of local simulation application and interaction method.

文中在对系统功能、特点简要介绍的基础上，重点研究了联邦成员的设计方法，主要包括本地仿真应用设计和交互方法设计。

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it can facilitate the provision and deployment of virtual systems, federates distributed and heterogeneous image repositories, and simplifies the management of the images.

它有助于供应和部署虚拟系统，联合分布式和异类的映像存储库，简化映像的管理。

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this text firstly brings forward structures and building principles of bridge federates, and secondly discusses the framework and expounds the key techniques-fom mapping particularly.

提出桥接成员的组成及其构建原则，给出了桥接成员的设计结构图并对其中的关键技术&FOM映射进行了详细阐述。

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then, it introduces hla framework selectively, and described the method to manage the federates in hla with the object-oriented thinking.

同时有选择地针对HLA框架进行了介绍，详细描述了HLA中以面向对象思想来管理仿真成员的方法，并对系统中使用到的一些服务做了进一步的描述。

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because of the relay-based architecture, different federates have low coupling, which can improve the efficiency of developing system with synchronous federate implementation.

由于转发式结构中不同联邦成员之间较低的耦合性，使得原型系统开发可以采用不同的技术和工具来同步实现不同的联邦成员。

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the general mapping relation between hla federation and virtual maintenance training system is established, and the structure and flow of federates are given. 3.

建立了HLA联邦与虚拟维修训练的通用映射关系，提出了联邦成员结构和功能流程。

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the functions of judgment whether all federates have joined the federation execution and of management three synchronization points are added to simulation running manager.

对仿真运行管理器增加判断参与仿真联邦执行的所有成员是否正常加入的功能，并管理三个仿真联邦同步点，以保证协同仿真运行。

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design of prototype for hla-based federates

基于HLA的联邦成员原型的设计

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federates based on hla should conform to a series of rules and can exchange data effectively through run time infrastructure ( rti).

在开发HLA联邦成员时，必须符合HLA规则，能与RTI准确交换数据，确保加入联邦的各成员的正确性。

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cm manages and federates all enterprise content such as imaging, rich media, computer output, compound docs and web content.

CM可管理并联合所有企业内容，比如图像、富媒体、计算机输出、复合文档和Web内容。

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encapsulating the domain models into hla federates is one of the key techniques to setup a co-simulation system based on hla.

对依附于商用仿真软件的领域模型进行HLA封装，是实现协同仿真关键问题之一。

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it interacts and federates with other metadata stores that play a role in managing the overall life cycle of a service.

它与在管理整体服务生命周期方面发挥作用的其他元数据存储区交互和联合。

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in large distributed interactive simulation, the function of ddm is reducing the irrelevant data received by federates to realize data filtering.

在大规模分布式交互仿真中，数据分发管理（DDM）的重要功能是减少联邦成员接收不相关数据，实现数据过滤。

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hla interface specification is divided into six management areas, among which, time management services are the bases for correct interaction among federates.

HLA的接口规范中定义了六类服务，其中时间管理服务是联邦成员间正确交互的基础。

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