我们通常不提交可用性的需求。
首先，必须确定持久性的需求。
企业对扩展性和高可用性的需求
The need for scale-out and high availability in the enterprise
功能性的需求用使用用例的术语来描述。
Functional requirements are described in terms of use cases.
群体产生出一种衡量突现事物复杂性的需求。
Mobs breed a requisite measure of complexity for emergent entities.
信息交换对安全性的需求通常包含三个方面。
Requirements for security in information exchange generally have three aspects.
每一层反映了一组常见的功能和非功能性的需求。
Each tier reflects a common set of capabilities and nonfunctional requirements.
最显著地改变在于对运维灵活性和敏捷性的需求。
The most significant increase was in the desire for operational flexibility and agility.
为什么非功能性，运营性的需求会成为一个问题？
Why nonfunctional, operational requirements can be a problem?
同时，基金必须遵守严格的透明度和流动性的需求。
Funds must also comply with strict requirements for transparency and liquidity.
今天我们生活的世界不大需要适应这种直觉性的需求。
Today we live in a world that does not accommodate these instinctual needs very well.
需求刺激毫无用处，因为根本不存在系统性的需求短缺。
Demand stimulus is of no use, since there is no systematic shortage of demand.
软件系统中非常重要的非功能性的需求，也应该被确定和管理。
Nonfunctional requirements, which are often of great importance in a software system, are also identified and managed.
为了服务质量和非功能性的需求，必须监视和管理已经部署的服务。
The deployed services must be monitored and managed for quality of service and adherence to non-functional requirements.
依旧沉闷的银行间拆借致使对央行流动性的需求达到了极高的水平。
Lending between Banks remains stifled, and demand for central-bank liquidity is consequently extremely high.
很明显，SOA计划是由组织的生产力和企业适应性的需求推动的。
This initiative is obviously driven by requirements for organizational productivity and enterprise adaptability.
除了对灵活性和可扩展性的要求外，此方法还能满足一些功能性的需求。
Beyond the requirements for flexibility and scalability, there are also functional requirements that can be fulfilled with this approach.
我们发现代价高得惊人，客户也因此在合约中取消了对可跟踪性的需求。
The cost was so staggeringly high that the client removed the traceability requirement from the contract.
电影剧本经过多次迭代，逐渐调整直到导演看来符合这些功能性的需求。
The movie script is fine-tuned through many iterations to match the director's vision of meeting these functional requirements.
为了协调全球性的需求，热心的社论文章经常呼吁国际间要多沟通[2]。
Earnest editorials often call for international talking shops to co-ordinate global demand.
这些非功能性的需求应该在早期就被具体地定义下来，我会在后面具体解释。
These should be detailed early on, as I will explain later in this chapter.
概要：联储局大量地造钱是为了回应银行和公众不断增长的对流动性的需求。
Bottom line: the Fed's massive infusion of money was a response to the tremendous increase in demand for liquidity by both Banks and the public.
不过，随着日益频繁的跨国运作，这种互操作性的需求阻碍了特殊标准的建立。
However, this demand for better interoperability in the wake of increasingly frequent multinational operations hinders the establishment of specified standards.
基于功能性的需求，有许多不同的分部，例如并行运行的每一个项目都有一个分部。
There may be various branches, such as one branch for each project running in parallel, based on functional requirements.
反过来，这也体现了防务市场上欧盟和北约成员国之间日益增长的互操作性的需求。
In turn, the growing demand for reciprocal operability among EU an NATO members characterises all defence-related markets.
应用服务使得企业利用近乎无限的信息和服务资源一次性地满足一个有高度针对性的需求。
Apps allow businesses to leverage nearly infinite resources of information and services by satisfying one highly targeted need at a time.
您需要在重构客户机和服务器代码所需的工作量和对数据完整性、一致性的需求之间做出权衡。
You need to consider the trade-off between the effort to refactor the client and server code versus the need for and importance of data integrity and consistency.
信息交换与一组功能性的和非功能性的需求相关，表现出获取、传递或使用信息所受的约束的特征。
Information exchange is associated with a set of functional and non-functional requirements characterizing the constraints under which information is captured, transferred, or used.
RPM和RMC的集成将会给我的流程所需的所有特性，Mary曾说下面这些都是关键性的需求。
The RPM and RMC integration will give my process all the qualities that Mary said are key requirements.
这意味着对于功能性的需求(关于系统必须实际上做什么的需求)，我们应当使用用例来描述系统的行为。
This means that for functional requirements (requirements regarding what the system must actually do), we apply use cases to describe the system's behavior.
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