虽然对于一般的用户界面设计来说，可以运用大量的方法、技术和原理，但是本文仅将关注于业务网络应用程序。
While one could apply many approaches, techniques and principles to UI design in general, our focus here will be on business Web applications.
运用基本的面向对象设计原理，体系结构团队决定修改Sendable接口来扩展供应商的Validatable接口。
Using fundamental object-oriented design principles, the architecture team may decide to update the Sendable interface to extend the vendor's Validatable interface.
骨肿瘤辅助诊断系统是运用专家系统的设计原理和方法，模拟医学专家诊断、治疗骨肿瘤的思维过程而编写的计算机程序。
Bone tumor assisted diagnosis system is such a computer programme that applies the design theory and method of expert system, simulates medical expert diagnosis and treatment in bone tumor.
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