What is your primary choice about the travelling traffic tool at present?
您目前旅游首选的交通工具是什么？
As a new traffic tool, the dynamoelectric bicycle has become more and more popular.
电动自行车作为一种新型的交通工具，越来越受到人们的欢迎。
On-ramp metering, when properly applied, is considered as an efficient traffic management tool for freeways.
入口匝道控制方法是控制高速公路交通状态最直接有效的方法之一。
On-ramp metering, when properly applied, is considered as an efficient traffic management tool for freeways.
入口匝道控制方法是控制高速公路交通状态最直接有效的方法之一。
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