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通过第一手资料进行选择第一手展览资料是指调研者本身通过询问、观察等手段收集来的情况。通过第一手资料进行选择是一种直接调研,是一种可以做得比较深入的调研方式。与间接的调研方式相比,直接的调研方式所需条件较多,比如耗费更大、耗时更长等。但同时所得出的结果可能更深入、更真实。有条件的展出者应当考虑采取这种方式对展览会进行调研和选择。直接调研的手段有多种,在展览会调研、选择方面比较实用并被比较广泛使用
Selection of first-hand exhibition materials through first-hand data refers to the situation collected by the investigators themselves through questions, observations, and other means. Selecting through first-hand data is a kind of direct investigation and is a kind of research method that can be done in depth. Compared with indirect research methods, direct research methods require more conditions, such as greater cost, longer time, and so on. However, the results obtained at the same time may be more in-depth and more real. Conditional exhibitors should consider using this method to conduct research and selection of exhibitions. There are many methods for direct investigation, and they are more practical and widely used in the research and selection of exhibitions.