The study of the classification about spatial direction relationships may progressively solve the problem of establishing the formal direction relation model.
对空间方向关系的分类等基本问题的研究可望逐步解决其形式化描述模型的建立问题。
Objective: To investigate the MAP-2 expression levels in CA3 region of hippocampus, and its relation to spatial learning and memory function in rat model of vascular dementia.
目的：探讨海马CA3区神经元微管相关蛋白-2（MAP-2）表达变化与学习记忆功能的关系。
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