at-grade intersection中文什么意思

平面交叉

• grade:    n. 1.等级，级别；阶段；程度，标 ...
• intersection:    n. 1.横断，横切；交叉，相交。 ...
• at grade intersection:    平面交叉

例句与用法

1. The traffic organization optimization methods of turning - vehicle flows at at - grade intersections , include its advantages , disadvantages , available conditions and application notices , are chosen as research object in the paper
   第三章对交叉口内左转车流和右转车流的交通组织方法分别进行了归纳和分析,并且对国内外的研究现状进行了总结,指出一些组织方法在使用的注意事项。
2. The research is composed of interrelated chapters as follows : traffic organization optimization methods of turning - vehicle flows at at - grade intersections is the application of traffic organization optimization ideas , methods and principles , thus , in order to provide theoretical elements to traffic organization optimization , paper summarize and conclude the ideas , methods , principle and regular means about the traffic organization optimization
   通过本章的研究,提出了提前右转方式的优缺点和适用条件。第六章对论文所作的工作进行了总结,并提出了论文的后续研究工作。本论文的研究成果可以为以后的交叉口转弯车流交通组织提供理论依据和参考。
3. Because the direction of vehicles , pedestrians and bicycles are different , there are many traffic interferences and the traffic conflicts in the intersections , so that it easily results in traffic accident . after research on the causes of traffic conflicts in intersections , it is found out that turning - vehicles are the mainly cause of traffic conflicts . therefore , it is important to carry out research on traffic organization optimization method of turning - vehicle flows at at - grade intersections , which becomes the keys to relieve traffic jams and traffic accidents
   第二章是论文后继研究的基础理论部分,首先介绍了交通组织优化的概念、思想方法、原则和常用手段,然后以混合交通条件下平面交叉口内的交通冲突理论为基础,归纳出交叉口内的转弯车流交通组织的内容及步骤,本章最后从宏观和微观两个层面介绍交叉口内转弯车流交通组织优化的常用方法。