Based on these, and directed by the theory of product design, it proposed the rationality of the guidance of functional, aesthetic, humanity and economy in urban furniture product design.
在此基础上，以工业设计理论为指导，提出了城市家具产品设计中以功能性引导、审美性引导、人文性引导和经济性引导的合理性。
Also the article analyses the rationality, efficiency and perspectives of the functional replacement through some examples.
通过实例佐证历史街区的功能置换在城市更新中的经济性、合理性与前瞻性。
ZEVIO1030 is used to design EPIRB tester in the paper. The rationality and feasibility was given and hardware software design of functional modules was discussed in detail.
现提出了利用ZEVIO 1030的应急无线电示位标检测仪设计思路，论证了该设计的合理性和可行性，并对设计方案的各功能模块的硬件和软件设计进行了较为详细的论证。
ZEVIO1030 is used to design EPIRB tester in the paper. The rationality and feasibility was given and hardware software design of functional modules was discussed in detail.
现提出了利用ZEVIO 1030的应急无线电示位标检测仪设计思路，论证了该设计的合理性和可行性，并对设计方案的各功能模块的硬件和软件设计进行了较为详细的论证。
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