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针对当前旅游食品包装行业所表现出的主要问题,提出将地域文化要素引入旅游食品包装设计中,从学理基础、转换规程结合已有典型案例阐述了地域文化要素在旅游食品包装设计中的表达策略,最后提出了未来旅游食品包装中地域文化符号创新设计的发展方向。 相似文献
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In this paper, we adopt cloud computing in a specific scientific computing field for its virtualization, distribution and dynamic extendibility as follows : We obtain highenergy parabolic selfsimilar pulses by numerical simulation using our nondistributed passively modelocked Erdoped fiber laser model. For researching characteristics of these wavebreakingfree selfsimilar pulses , chirp of them must be extracted. We propose several timefrequency analysis methods adopted in chirp extraction of ultrashort optical pulses for the first time and discuss the advantages and disadvantages of them in this particular application. 相似文献
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