即使它们允许存在多个物理分布的服务实例，但是每个实例都只有一个抽象定义(由组织统一管理)和一个公共实现。

Even if they allow multiple physically distributed instances of services, there is one abstract definition for each — managed by the organization as a whole — and a common implementation.

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1666年的伦敦大火推动了伦敦现代消防队的建立，这些消防队最初是由保险公司组织起来的，不过后来都纳入了公共管理之下。

IT WAS the Great fire of 1666 that prompted the establishment of London's modern fire brigade, organised at first by private insurers, but later coming under public management.

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强制要求：拥有大量服务的组织将日益需要公共管理和操作模型来进行功能控制，以便。

Forces: an organization with a large number of services will increasingly need a common administrative and operational model for the control of capabilities to.

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