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Safety distance Distance between the end of a movement authority and the first possible danger point.
安全距离移动授权末端与第一个潜在危险点之间的距离.
危险点;危险期;危险地
Safety distance Distance between the end of a movement authority and the first possible danger point.
安全距离移动授权末端与第一个潜在危险点之间的距离.