One way to do this is to develop change cases that describe likely changes to the requirements that your system implements.
做到这一点的一种方式就是开发一个描述对系统实现的要求的可能改变的改变案例。
A mechanism is established for notifying team members if changes to the requirements are made on a different branch (in case of complex use cases, it is good to keep in touch with the other teams).
如果对需求所做的变更是在不同的分支中所做的，那么就会为通知团队成员创建一种机制(如果是复杂的用例，那么最好与其他的团队保持联系)。
They comprise an early warning system to ensure that the impact of changes to requirements across product versions are analyzed and dealt with as needed.
它们包括一个早期报警系统，以此来确保变化对需求的影响可以跨过产品版本被分析，并在需要的时候被处理。
There might be changes in business requirements or feature functionality that require changes to the database schema as well.
可能的原因是业务需求或特性功能发生了变化，因此也要求更改数据库架构。
Updating models to reflect new requirements lets developers at either site see the impact of changes to requirements at a glance.
更新模型以反映新的需求使得在每个站点的开发者都可以看到更改对需求造成的影响。
Also, overlapping evolutions does involve risk; if there are significant changes to the architecture or the requirements in later evolutions, then these may affect earlier evolutions.
同样，重叠的演进包含风险，如果存在对后面演进中的架构和需求的重大变更，那么这些可能影响更早的演进。
Finally, we conclude by stressing the versatility of the solution with respect to changes in requirements, as well as input and output data formats.
最后，涉及到修改需求以及输入输出数据格式的问题时，我们强调了该解决方案的通用性。
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。
In this case, you should identify the parts of the existing model that are related to the application requirements and specify any changes to the model that are implied by the requirements.
在这种情况下，您应该确定现有模型中与应用程序需求相关的部分，并详细说明由这些需求间接表示的模型更改。
Its components may have to be changed due to deficiencies found in the authentication algorithms or to changes in requirements for system authentication.
由于发现了认证算法中存在的缺点，或者由于系统认证需求的变化，有时候需要更改认证框架的组件。
Removing data inputs and outputs changes the data requirements, so is not always possible to remove them.
移除数据输入和输出会更改数据要求，因此有时候您不可能移除它们。
There are also times at which a downward trend needs to be observed, where fewer requirements changes have to be processed to bring the project to a close.
而在另一些时期则可以观察到下降趋势，那时需要处理的需求变化很少，于是项目得以结束。
Requirements versioning is the process of documenting the anticipated need for multiple changes to specific requirements over time.
需求版本化是一个过程，其记录了对特定需求随着时间进行多次变更的所预期的需要。
The scope invariably changes because of uncertainties related to requirements, resourcing, and technology.
我们的项目功能的范围总是会由于需求，资金，技术这些不确定因素而变化。
The changes to the environment in which Banks operate-tougher regulation, higher capital requirements and scarcer funding-will have a dramatic impact on the way that Banks are managed.
监管力度加大，资本要求提高，筹资渠道减少，银行运作环境的变化将给其管理带来剧变。
Many changes in system requirements would cause far too many changes to the OrderProcessingModule code, making the system risky and expensive to change.
而许多系统需求的变化也会造成OrderProcessingModule的代码产生非常多的变更，让系统变得岌岌可危并使变更花费很大代价。
It is not easy for analysts to specify the evolution of the requirements when facing changes, and for designers to implement the required corrections to the systems supporting those requirements.
当面对变更时，分析师很难指出需求的演进，设计师很难实现系统需求所需要的正确性。
However, in retrospect we wish we'd taken the time to set up Rational ClearQuest to manage requirements changes.
然而，追溯我们所希望的，我们已经花费时间建立了RationalClearQuest来管理需求的变更。
You work with members of your team to clean up the design and fix Rick's search tool, but immediately thereafter Rick changes his requirements.
您与您的团队成员整理设计并修复rick的搜索工具，但紧接着在那之后，Rick变更了他的需求。
Administrators can make further changes to the side-shelf format based on users' requirements; however, these changes are not customizable on a per-user basis.
管理员可以根据用户的需求对侧面(side -shel)的格式作进一步的更改。但是，并不是每个用户都能定制这些更改。
We were able to track the requirements changes with Rational RequisitePro, but they had an impact on the system beyond that.
我们能够使用Rationalrequisitepro来跟踪需求，但是他们对整个系统带来了影响。
If you want to avoid this, along with having to constantly rewrite code to keep pace with the requirements changes, start a CCB or the equivalent.
如果你想避免这一点，避免跟着需求的变更不断地被迫重写代码，那就请启用一个CCB或者类似的东西。
However, if any requirements for the output PDF changes, the styled elements can be customized to meet those needs.
然而，如果输出pdf有任何的需求变更，那么就可以通过定制风格化元素来满足这些需求。
Because the users care about these non-captured requirements, they will usually force the portal development team to make many iterations of changes to the portal.
因为用户关心这些未捕获的需求，所以他们通常会促使门户开发团队对门户进行许多重复修改。
The lifecycle makes an iterative round if the reports show the changes in business requirements are significant to keep up with the merging it technology and evolving it governance and business goals.
如果报告表明，业务需求中的变更很重要，需要合并IT技术并演进IT治理及业务目标的话，生命周期就会进行迭代。
On the IT side, there is no formal transformation mechanism to convert requirements and their evolving changes into executable structured programs.
在IT方面，没有正式的转换机制将需求及其不断的更改转换为可执行的结构化程序。
The MDM solution should provide the flexibility to accommodate changes to master data schema, business requirements and regulations, and support the addition of new master data.
MDM解决方案应该提供灵活性，从而适应主数据模式、业务需求和法律法规的变化并支持添加新的主数据。
The MDM solution should provide the flexibility to accommodate changes to master data schema, business requirements, and regulations, and support the addition of new master data.
MDM解决方案应该提供灵活性，从而适应主数据模式、业务需求和法律法规的变化并支持添加新的主数据。
The infrastructure architecture might also be analyzed to ensure whether changes at that level can satisfy the SLA requirements.
可能也需要对基础设施体系结构进行分析，以确保该级别的更改是否能满足SLA要求。
Chapter 7, "Requirements for existing systems," examines the complexity and pitfalls involved in changes to existing systems.
第7章，“对既有系统进行需求工作，”检查了牵涉在既有系统中的复杂性和缺陷。
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