Create designs, concepts, and sample layouts based on knowledge of layout principles and visually appealing design concepts.

根据陈列原则方面的知识和具有视觉吸引力的设计理念进行创作设计、做好理念陈列和样品陈列工作；

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Based on the research achievements of Jinghu Railway Line in recent years, some concepts and principles of bridge design are introduced, and the usual type and arrangement of bridge are described.

基于京沪线多年的研究成果，介绍了高速铁路桥梁的若干设计理念及设计原则和常用梁型的选定及其桥跨布置。

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In this paper, several fundamental principles and design concepts for designing flat-bed-integrated monopulse comparator network by using nonstandard compression waveguide are presented.

文中给出几种用非标准压缩波导设计的平板集成单脉冲比较器网络的基本原理和设计思路。

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