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A、To reduce illegal phenomena on the roads.B、To produce safer and faster vehicl
A、To reduce illegal phenomena on the roads.B、To produce safer and faster vehicl
游客
2023-06-20
27
管理
问题
选项
A、To reduce illegal phenomena on the roads.
B、To produce safer and faster vehicles.
C、To get visual information of the traffic.
D、To develop an intelligent system of road signals.
答案
D
解析
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