不过，XP并不涉及对需求的验证。
为何对需求进行优先次序排序？
然后，我们采用一些方法对需求建立模型。
Then we followed some methodologies to model those requirements.
或者对需求的最新修改产生的影响是什么？
or What is the impact of the latest modification to the requirements?
用例文本和关系图描述用户对需求的理解。
Use case text and diagrams describe the users' understanding of the requirements.
团队开始设计解决方案前，必须对需求进行收集。
Before the team begins designing solutions, it must gather requirements.
第三，取消观望消费者和公司的态度对需求的影响。
Third, undo the effects of the wait-and-see attitudes of consumers and firms on the demand side.
必须用共性和可变性分析对需求活动进行扩充。
Requirements activities must be augmented with commonality and variability analysis.
让代码引领设计，这意味着对需求有更好的理解。
Allowing the code to lead you toward design means that you have a better understanding of what you need.
测试反映了对需求的追踪，因为它们要执行特定代码以实现需求。
The tests relfect the traceability of the requirements because they execute specific code that implements the requirments.
为市场直接提供流动性和重组银行业，可能比利率对需求的影响更大。
Providing direct liquidity to the market, restructuring the banking sector, may have more influence on demand than interest rates.
在Elaboration阶段，可能是对需求的进一步理解和澄清。
In the Elaboration phase, there may need to be a further understanding and clarification of the requirements.
对需求最主要的安全责任是为应用程序定义一个高水平的核心安全模型。
The primary security duty of a requirements specifier is to identify at a high level the core security model for the application.
在分布环境中，对需求不合理的识别及定义常常是项目失败的主要原因。
Poorly established and poorly defined requirements are often the primary reasons for project failure in a distributed environment.
这种承诺涉及绩效、我们工作的相关性及其对需求最大者的影响。
This commitment concerns performance, the relevance of our work and its impact on those in greatest need.
然而，最重要的是，油气专业公司转向天然气是对需求和气候变化政策下赌注。
Most of all, however, the majors' dash for gas is a bet on demand and climate-change policy.
让我们考虑一下跨多个产品发布版本来维护对需求变化的可追溯性的两种方法。
Let's consider two methods for maintaining traceability of changes to requirements across multiple product releases.
然而，最重要的是，油气专业公司转向天然气是对需求和气候变化政策下赌注 。
Most of all, however, the majors’ dash for gas is a bet on demand and climate-change policy.
通过将需求迅速地转变成可以进行观察测量的内容来尽早地减少对需求的误解
Reducing requirements misunderstanding early by forcing the requirements to be rapidly translated into things that can be observed and measured
最有可能的就是：石油供应的缓慢回升以及对需求的减缓最终会让人松一口气。
The likeliest scenario is that a gradual increase in supply and a slight mellowing of demand will eventually bring some relief.
这个boolean值可以使您用下列任何一种方法在一个文档外部对需求文本进行更改。
The Boolean value enables you to change requirement text outside of a document in any of these ways.
通过使用RequisitePro，我们以结构化的方式对需求进行组织、分析和优化。
Using RequisitePro the requirements were colleted in a structured manner, analyzed, and prioritized.
我个人的观点是，对需求进行编号，并力求简洁，这样繁忙的开发人员就可以方便地跟踪它们。
My personal opinion is that requirements should be numbered, brief, and to the point so busy developers can easily keep track of them.
在尚未得到数据，对需求(包括剂量数量)做出基于证据的预测时，一些国家就发出了大订单。
Some countries placed large orders before data were available to support evidence-based projections of need, including the number of doses.
第3章，“项目社会学”在项目社会动力学及它们对需求的影响方面提供了令人感兴趣的见解。
Chapter 3, "project Sociology," is a crucial one that provides interesting insights on project social dynamics and their effect on requirements.
MetaGroup报告，引起客户不满意问题的百分之八十可以追溯到对需求的糟糕理解上。
Meta Group reports that up to 80 percent of the issues leading to customer dissatisfaction can be traced to poor understanding of requirements.
但由于羊的养殖需要几年的时间，并且成本昂贵，全球市场不太可能在短期内对需求的增长作出反应。
But because sheep can take years to raise and are expensive to maintain, the global market is unlikely to respond to the increased demand anytime soon.
这一实践极大程度地改善了对需求的理解和需求的准确度，并且显著减少了实行之后的返工。
This practice has greatly improved the understanding and accuracy of the requirements, and greatly reduced rework after the fact.
原始需求与分支需求之间的追溯关系，可以帮助您对其他团队对需求所做的变更能保持一致。
A trace relationship between the original requirement and the branch requirement can help you stay in touch with changes that are made to requirements by other teams.
原始需求与分支需求之间的追溯关系，可以帮助您对其他团队对需求所做的变更能保持一致。
A trace relationship between the original requirement and the branch requirement can help you stay in touch with changes that are made to requirements by other teams.
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