In pervasive environments, devices and network environments are extremely heterogeneous and highly dynamic. So, service providers are more possible to disconnect the current computing environments, leading to the failure of service composition.
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Figure 3 emphasizes that pervasive services are available to all applications, in all environments.
图3中强调了普及服务可用于任何环境中的任何应用程序。
When thinking about transactions in a pervasive environment, one must take into account the limitations that pervasive environments impose on the transactions that can be performed.
考虑普及环境中的事务时，必须要考虑到普及环境强加在事务上的限制能够执行。
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