图中标志的含义是确定主标志规定的区域。
The sign in the picture is designed to indicate the area specified in the main sign.
图中标志的含义是表示警告、禁令的理由。
The sign in the picture is designed to indicate the reasons for warning or prohibition.
图中标志的含义是确定主标志规定车辆的种类。
The sign in the picture is designed to indicate the type of the vehicles specified in the main sign.
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