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vigilance
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vigilance
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vigilance
警觉
观察者在一定环境中觉察特定的、不能预期出现的事件的准备状态。反映观察者长时间保持注意力或警惕性的水平。其效率随时间推移而下降。
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urban planning of Versailles
urban planning of Wuhan
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Urban Planning Society of China
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