为保证交通安全，防止交通堵塞，交通信号灯在大多数城市得到了广泛的应用。
To ensure traffic safety and prevent traffic jam, traffic signal lights have been applied diffusely in most of the cities.
同时，指出北京市道路建设不重视植树问题，强调应该在保证交通安全的前提下增加高大乔木的种植力度。
The paper also points out that roadside landscaping with trees should be encouraged in road construction while maintaining roadway safety.
建设城市路网先进交通信息系统是解决交通拥挤，保证交通安全、提高交通网络使用效率的主要手段之一。
Developing Advanced traffic Information System (ATIS) has become the key method to improve efficiency of traffic networks and decrease traffic accident.
阻挡撞击的策略是保障交通安全的有力保证。
Blocking impact strategy is a powerful guarantee for traffic safety.
桥梁安全性能评估对保证公共交通安全意义重大。
The evaluation of the performance of bridge is vital important to the public traffic security.
桥梁安全性能评估对保证公共交通安全意义重大。
Study on the Method of Reinforced Concrete Bridge Safety Evaluation;
桥梁安全性能评估对保证公共交通安全意义重大。
Study on the Method of Reinforced Concrete Bridge Safety Evaluation;
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