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最佳答案:变焦系统在函数投影类型的正射投影仪中得到了广泛的应用.本文分析了二元变焦核的特性,讨论了应用于正射投影仪的变焦系统的设计思想,并且给出了具有二个变焦系统的设计实
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最佳答案:n this paper some county in the village JA bank as an example, the bank credit b
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最佳答案:Dear teachers:Good afternoon!My thesis topic is ~ ~ ~My thesis consists of five
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最佳答案:In this paper,aimed at public relations in the role of marketing started discour
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最佳答案:提高点分,这么长,没意思啊
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最佳答案:论旅游景点的形象塑造与推广——以长沙景点为例摘要:旅游景点的形象是指旅游区域旅游组织内在精神文化特征与外在的行为表现特征在公众心目中的综台反映.[1]它是特定地
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最佳答案:In the corn rhizosphere lives the fungus the separation and the nature prelimina
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最佳答案:The project includes electronic documents and data center services of two major