It may in many cases also require you to compromise on some functional or technical requirements, such as platform support, performance, or footprint (size of the application).

在很多情况下它可能还需要你牺牲一些功能或技术需求，比如平台支持，性能，或覆盖区(应用程序的大小)。

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The functional view however is more stable — even if you migrate the application to a new platform, it will still basically provide the same set of services.

但是功能视图要稳定得多，应用程序即便迁移到新的平台上，基本上仍然可以提供相同的一组服务。

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Fortunately, accessibility requirements are common across test cases and functional units running on the same platform.

幸运的是，易访问性需求对运行在同一平台上的测试用例和功能单元是公共的。

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Jawbone ICON for Cisco delivers built-in intelligence that allows the headset to be dynamically enhanced through new software applications and functional updates via the Jawbone MyTALK platform.

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The development of Sensus Connected Touch gained momentum late in 2011 when Volvo Car Group started sourcing a powerful hardware platform with first-class functional and graphical features and the capacity to handle future expansion.

ENGADGET: Spotify teams up with Volvo, launches new voice-controlled in-car app (video)

Facebook does occasionally work closely with one application in order to make it especially functional for users, but it prefers not to favor any one application over another, thereby keeping its platform neutral.

FORBES: Facebook's Changes��It's All About the Platform