测试参与者的表现是否满足可用性目标？
Do participants perform well enough to meet the usability objectives?
是否采用事务真正取决于你的伸缩性和可用性目标。
Deciding whether to use transactions or not really comes down to your scalability and availability goals.
再例如，如果你已经设定了可测量的可用性目标，你可以看看你的产品是否切合这些目标。
For another example, if you have Set Measurable Usability goals, you may be trying to see how well the product is meeting those goals.
通常，组织机构对高可用性目标有不恰当的预期，他们想要比他们实际愿意支付的更高级别的可用性。
Often, organizations have inappropriate expectations regarding availability targets, and they might demand higher levels of availability than they are actually willing to pay for.
在构建表单之前，首先处理策略；这意味着您将在编写HTML之前确定您的安全性和可用性目标，这始终是一种可取的做法。
You'll start with the policy before constructing the form; this means you will decide your security and usability goals before writing HTML, always a good thing.
从用户、业务、可用性和体验的角度去设置目标，因为这些因素都会影响设计
Set the goals from the user, business, usability, and experience perspective because they will affect the design.
我们的建议是，如果您需要突出的可用性特征，那么以此为首要目标来确定环境的成本和规模。
Our advice, if you need outstanding availability characteristics, then price and size the environment with that as the premier goal.
当第一或第二软目标更改时，可用性变量的类型将更改。
When the first and second soft goals change, the types of availability variables change.
可以以特定客户机为目标，按照某种可用性和能力的组合来构建系统。
You target a certain client with a blend of usability and power and build your system.
从使用者的角度来看，访问目标系统中的整合数据与访问该系统中任何其他的数据具有相同的可用性特性。
From a consumer perspective, accessing consolidated data in the target system has the same availability characteristics as accessing any other data in this system.
在最开始，他们可以帮助识别产品的目标用户以及有关易访问性和可用性的管理需求。
At the beginning they can help to identify the product's targeted users as well as regulatory requirements regarding accessibility and usability.
第一个软目标指定必须保证达到99%(举例而言)或更多的正常运行时间可用性。
The first soft goal specifies uptime availability that must be guaranteed to achieve, say, 99% or more of the time.
目标是改善可用性、提高作战和培训效力、减少设备支持成本。
The goal is to improve availability, enhance operational and training effectiveness, and reduce equipment support costs.
一旦你能够成功的说服内容拥有者，他们不能把他们自己的偏好投射到目标用户上，你就只剩下了一个问题需要解决：你如何判断可用性？
Once you've successfully argued that content owners can't project their own preferences onto the target audience, you're left with a question: How should you judge usability?
第三个软目标指定服务可用性变量。
The third soft goal specifies service availability variables.
所有AIX或SAN管理员的三个主要目标是最大化可用性、性能和冗余。
The three main objectives for any AIX or SAN administrator are to maximize availability, performance, and redundancy.
ISO 9241标准中对网站可用性的定义是：特定用户在特定环境下，能够快速、有效且满意地完成特定的目标。
The ISO 9241 standard defines website usability as the “effectiveness, efficiency and satisfaction with which specified users achieve specified goals in particular environments.
本书的目标读者：如果你计划为网站或其他软件产品进行可用性测试，或者设计一个全新的产品，那么本书非常适合你阅读。
Who this book is for: If you plan to conduct usability testing on your site (or other software products) and are new to it, this book is for you.
当我们去做用户的可用性测试时，最终的目标是为了解决或者提高实际的设计，而不是仅仅得到一份书面的报告。
You want to run multiple tests because the real goal of usability engineering is to improve the design and not just to document its weaknesses.
换言之：对于这个屏幕呈现的内容需要琢磨的越少，可用性的首要目标——用户体验，就会越好。
In other words: the less thinking needs to happen behind the scenes, the better is the user experience which is the aim of usability in the first place.
尽管我不喜欢这个术语，但还是用了它；因此，在本文中，当提到术语集群 时，我指的是以提高可用性为目标的集群（另行注明的除外）。
Despite not liking the term, it's used; so for this article, when referring to the term cluster, I mean clustering for high availability (unless otherwise noted).
因为数据整合仅具有单个目标，所以比较容易应用相应的技术来提高数据可用性，例如集群技术。
Since the data consolidation has only a single target, it is relatively easy to apply technology to improve availability — clustering, for example.
开发人员的关键目标应该是增加可用性，也就是方便用户。
The key goal here for developers should be enhancing usability or, in other words, making things easier for users.
该POC 的目标就是实现高可用性，且目标是要取得高于 99.999%的可用性。
The goal for the POC was to implement high availability with a target of achieving higher than 99.999% availability.
创建冗余应用程序目标，以进行工作负载管理和保证持续可用性。
Create redundant application targets for workload management and continuous availability.
因此，我们的目标是要结合技术和可用性，这一点对Ajax应用程序而言尤其正确。
The goal is to marry technology and usability, and this is particularly true in the case of Ajax applications.
Apple建议可单击的目标至少为44像素的正方形以获得最佳可用性。
Apple recommends that clickable targets be at least 44 pixels square for best usability.
第三个软目标：可用性变量。
Mozilla的公告最后的总结是给所有开发者的一个正面信号，公告中描述了整个软件社区的共同目标——“提升Web应用的可用性”
The Mozilla announcement concludes on a positive note for all developers, describing a goal the entire software community shares of ‘improving the usability of web applications’
Mozilla的公告最后的总结是给所有开发者的一个正面信号，公告中描述了整个软件社区的共同目标——“提升Web应用的可用性”
The Mozilla announcement concludes on a positive note for all developers, describing a goal the entire software community shares of ‘improving the usability of web applications’
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