According to the cognition, a unified product structure data model is established step by step which organizes the life cycle data together. Thus the data is unitive and can be shared.
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Psychological distance can't be invariable in the whole process of artistic creation and appreciation according to the cognition rules of human beings.
根据人们认识事物的规律,在创作、欣赏过程中,主体的心理距离不可能始终保持不变,会随着对作品的理解不断变化。
According to the cognition, a unified product structure data model is established step by step which organizes the life cycle data together. Thus the data is unitive and can be Shared.
按照认知学规律,逐步构建出了一个统一产品结构数据模型,将产品全生命周期数据组织在一起,实现了产品数据的一致性和共享性。
Therefore, it is urgent and necessary to investigate primary school students' cognition of IOV. According to some researches and curriculum sets, the author designs an IOV test.
本文在参考一些已有研究及课程设置的基础上,设计编制了《视图测试卷》,以此来考察小学生对视图初步的认识。
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