第一个架构改动是创建一个直写式向量缓存包含了一个tweet ID的数组，tweet ID是序列化的64位整数。

The first architectural change was to create a write-through Vector Cache containing an array of tweet IDs which are serialized 64 bit integers.

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SOA抽象参考模型提供了三个基本概念，以帮助大多数组织理解在他们的解决方案架构中，服务所扮演的角色。

The abstract SOA reference model provides three fundamental concepts to help most organizations understand the role that services can play within their solution architectures [.]

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从工作出现下这水准的一主要的主题是记忆由倍数组成，可以被认为是具体的解剖的架构和连接的可分开的组成部分。

One major theme to emerge from work at this level is that memory is composed of multiple, separable components that can be identified with specific anatomical structures and connections.

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