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- primary highway system 一级公路网
- Like any highway system, the federal airways have their main trunk line. 同任何公路系统一样，联邦航空线路也有其主航线。
- It is easy to drive using the Interstate highway system. 州际公路系统使驾车变得很容易。
- Completion of the highway system in two years if very ambitious. 如果能够全力以赴，那么你两年内就可以完成公路系统。
- Another system that really works in the United States is the highway system. 在美国还有一个真正起作用的系统，就是高速公路系统。
- Like any highway system,the federal airways have their main trunk line. 同任何公路系统一样，联邦航空线路也有其主航线。
- Not all of the kinks in China's highway system have been worked out yet. 中国高速公路系统中的问题尚未完全消除。
- One proposed solution to this problem is the automated highway system. 针对前面一句中出现的问题的一个解决方法。
- Most primary highways are built and cared for by state governments. 大部分主要的公路都是由联邦政府建造和管理。
- A new highway system will normally increase the area of carriageway and hence the cost of maintenance. 一个新交通系统，常因为加宽车行道而增加了道路的面积，以致增加了养护费用。
- Service stations, motels and restaurants promoted the development of the interstate highway system. 因果:服务性的东西促进高速路发展。
- In the 1950s the U.S. interstate highway system was inaugurated to link the country's major cities. 20世纪50年代,美国连接各州的道路系统也在全国各主要城市间修建起来。
- Automated Highway System (AHS) is the most difficulty sub system in Intelligent Transport System(ITS). 自动公路系统(Automated Highway System，简称AHS)是智能运输系统(Intelligent Transport System，简称ITS)领域中技术难度最大的系统。
- It would take another war before the federal government would act on a national highway system. 还得再打一场战争联邦政府才会对全国的公路系统进行治理。
- The Interstate Highway system is only a small part of the huge system of roads in the United States. 州际高速公路只占美国庞大的公路系统中很小的一部分。
- Magnetic marker is one of the most important guiding signals of the Automatic Highway System based on magnetic signals. 摘要磁道钉是基于磁信号导航的自动公路系统最重要的道路引导标志。
- Obama liken s this effort to the ambitious development of the national highway system 50 years ago. 奥巴马将这项工作比作50年前国家高速公路系统雄心勃勃的发展。
- The highway transport structure is the mode and order in which of the highway system interacts and correlates. 公路运输结构是公路运输系统内部各要素之间相互联系、相互作用的方式或秩序。
- Obama likens this effort to the ambitious development of the national highway system 50 years ago. 奥巴马称这是能比拟50年前国家公路系统的伟大进步。
- This highway system also includes secondary roads as well as thousands of miles of unpaved roads, which can be used with a four-wheel car. 高速公路系统还包括一些辅助公路和几十英里长的、可以通行四轮双轴汽车的，没有铺筑过的道路。
