知识溢出的经济效应的发挥受到空间距离、市场结构、接受能力和社会网络等因素的影响。
Economic effects of knowledge spillovers bring into play due to spatial distance, market structure, accepting ability, social networks.
在车辆运行状态下，驾驶人对外界环境信息正确认知，尤其是空间距离辨识，对人的行为决策、道路设施设计等具有重要意义。
The driver correctly aware external environment information especially the spatial distance is of great significance to decision-making on people's behavior and road infrastructure design.
而空间的可交往性则与空间形态、空间尺度、空间距离、空间设施等密切相关。
Furthermore it is also found that a close linkage among the human space, spatial shape, spatial criterion, space length, spatial facility and so on.
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