In the latter case, that role will not match any users and the interface might be inaccessible.
在后一种情况下，这个角色不与任何用户匹配，接口就是不可访问的。
In such a case, the gateway Proxy service would assume the role of the ultimate receiver and return an empty result (not a fault) to the sender.
在这样的情况下，网关代理服务将假设为最终接收者角色，并且返回一个空结果(不是一个错误)给发送者。
Consider a hypothetical case of how this plays a role in effective governance and decision making.
可以考虑一个有关这如何在有效的治理和决策制定中发挥作用的假想案例。
Figure 6: Solid lines depict the natural peaks and valleys in effort for one role — in this case, the coding team — in the product's lifecycle.
图6：实线描述了一个角色工作中的自然峰值和谷值。在这个例子中，是编码团队在产品生命周期中的情况。
A special case of a composite role is where a business object can only be uniquely identified when combining its key attribute with its parent's key attribute.
组合角色一个特殊情况是，业务对象只能通过将其键属性与父级的键属性进行组合来唯一标识。
At his trial, Mr. Green's lawyers built a case intended less to deny his role in the crime than to plant questions about whether he deserved the death penalty.
在他的审判中，格林的律师企图建立案件减少否认他在犯罪中的作用而不是质疑是否判处死刑。
Even where this position is controversial, as in the case of Microsoft, most (though not all) would agree that the company played a useful role in standardising products in a dynamic new industry.
即便在这一点有争议的情况下（例如微软），多数人（虽然不是全部）也会认同，在一个生机勃勃的新行业，这家公司在产品标准化方面扮演了有益的角色。
So the friction plays an essential role for us to get static equilibrium, and that is often the case.
摩擦力在达到静力，平衡中起了很大作用，情况就是这样。
An actor is an initiator when its role is to set the use case in motion.
如果某个参与者的作用是启动用例，则它的角色就是启动器。
So this case study raises the question of the role of Western market professionals in all this.
所以，通过对这一个案的研究，让我们对参与其中的西方市场专业人士所起到的作用提出质疑。
These providers (with adequate training) could play an important role in case detection and referral of patients to the public sector cutting down significantly on diagnostic delays.
这些（经适当培训的）提供者可以在病例检出和将患者转至公共部门治疗方面发挥重要作用，可以显著减少诊断延误。
Notice that the repository operation is identical in each case; it is just the individual role performing the operation that changes.
注意每一个存储库操作都是相类似的；操作是由私人角色来执行的。
Science played such a critical role in setting up the world of Moon. In the case of Source Code, how much science fact comes into play?
在《月球》中对科技的定位是批判性的。那么在《源代码》中科技起了多少作用呢？
Given that the role of architect requires a very broad set of skills, it is often the case that the architect role is fulfilled by more than one person.
构架师的角色需要非常广泛的技术，这就为什么构架师的角色经常是很多人同时担当。
In the best case, Mr. Obama will encourage Mr. Summers to play the role of fearless truth teller.
最好的情形是，奥巴马将鼓励萨默斯扮演“谏臣”的角色。
Let us consider the previous use case where the Payroll service was secured and only users of the Payroll Auth role are allowed access.
我们看一下之前使用的案例，其中Payroll服务是安全的，只有允许PayrollAuth角色用户访问。
Another state shown in italics is the "Home" state, which represents how that role (Customer in this case) initiates and ends their session.
另一个用斜体显示的状态就是“Home”状态，该状态表示角色(本例中为Customer)如何启动和结束其会话。
He defines a new role (in this case, Game Developer) by adding a name and description.
他通过添加一个名称和描述定义了一个角色(在本例中为GameDeveloper)。
There are a few times in your career when you come across an actor who you know was born to play a role, but that was the case as soon as I met Martin.
在你的整个职业生涯中，能遇见一个为你的角色量身定制的演员，这样的机会少之又少，但是在我遇到马丁的时候这种情况发生了。
These tasks are performed by a new role: the Use-Case Analyst (Figure 13).
这些任务由一个新的角色执行：用例分析员(图13)。
But experts who have examined the case of Lord Carnarvon believe that tomb toxins played no role in his death.
然而，卡那封勋爵事件的调查专家都认为墓室中的有毒物质和他的死并无关系。
It may be cliche to say only in America, but in this case and for this role, it is both profoundly true and profoundly important.
要说这种事情只能发生在美国可能是老生常谈，但是，就这件事情和这个职务而言，这一说法千真万确，而且意义重大。
If this is not the case, the user would not be authenticated because only users in the role OPENID_ROLE are permitted to access this resource.
如果情况不是这样，用户就没有通过身份验证，因为只允许OPENID_ROLE角色中的用户访问这个资源。
For example, Figure 11 depicts how the use-case analysis method is represented in RUP as a task performed by the role designer.
例如，图11描述的是用例分析方法作为一个角色设计者所执行的任务是在RUP中是如何表示的。
'It's understandable that such a serious injury, which in the worst case scenario could end one's career, can be depressing and the role of the family is to give support.
在最坏的情况下，这么严重的伤势将会结束一个运动员的职业生涯，所以我可以理解小贝的忧郁和沮丧，而此时家人的作用就是给予支持。
Let's take a look at a business case to see how business-driven development plays a role in solving some of the issues we mentioned earlier.
让我们以一个业务案例为例，了解业务驱动的开发如何在解决前面提到的问题时发挥作用。
Moreover, singletons can be stateful; in this case, their role is to serve as a unique repository of state.
更有甚者，单例对象能够被状态化；这样，它们可以作为一个状态仓库向外提供服务。
Moreover, singletons can be stateful; in this case, their role is to serve as a unique repository of state.
更有甚者，单例对象能够被状态化；这样，它们可以作为一个状态仓库向外提供服务。
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