由于隧道环境的影响，驾驶人信息认知会发生变化，且在驾驶人感知系统中，视觉明显占据主导地位。
Effecting by the tunnel environment driver's information cognition would change. And in driver's sensation system, the vision occupies the dominant position obviously.
研究驾驶人交通标志信息记忆量随时间的变化规律，能够为城市道路交通标志设计及实施应用提供有力支撑。
To reveal the pattern the amount of drivers' memory of traffic sign information changes over time could shed bright light on the design and installation of ur-ban road traffic signs.
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.
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