Finally, we state the design principles that apply to individual service operations.

最后，我们将说明适用于各个服务操作的设计原则。

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Design principles: Validates that your code adheres to the design principles of object-oriented programming.

设计原则：验证你的代码是否坚持面向对象编程的设计原则。

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This article builds upon the design principles and code outlined in the first two articles of this series (see Resources).

本文以本系列前两篇文章描述的设计原则和代码为基础（参见 参考资料）。

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The new design not only fully embodies the Metro design principles, it is also the first site from a big tech company to embrace responsive web design.

FORBES: Microsoft's Site Redesign Will Introduce Mainstream Business To The Responsive Web

We knew that Jobs and Ive were close - he often featured in those famous keynotes, taking an iPhone call from the boss, or explaining on video the design principles behind the iPad.

BBC: Jony Ive and the future of Apple

The design principles that make the cloak work in microwaves would be difficult to implement at optical wavelengths.

BBC: Invisibility cloaking in 'perfect' demonstration