规范合成要素定义了一个服务消费者和服务提供者之间的契约，它从特定的提供者执行中减弱了它们。
A specification component defines a contract between service consumers and service providers that decouples them from particular provider implementations.
为了让关于安全漏洞的讨论更加明了，根据风险要素与云计算的可靠定义，作者制定了一些指标。
To clarify the discussions regarding vulnerabilities, the authors define indicators based on sound definitions of risk factors and cloud computing.
更加特定的是，体系架构的风格定义了组成要素和连接器类型的词汇表，以及将它们联合起来的一组约束。
More specifically, an architectural style defines a vocabulary of components and connector types, and a set of constraints on how they can be combined. 6
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