求交通的重要作用的英文介绍

求交通的重要作用的英文介绍
求交通的重要作用的英文介绍

求交通的重要作用的英文介绍
Transport in social production into the production process of transportation and circulation of the transport process.Transport and production activities are realized and the displacement of information transmission,transportation products are people km and t · km measurement,post and telecommunications products by the amount of information and distance measurement.Traffic production facilities have fixed facilities and mobile facilities points.Fixed-line facilities,Hong Kong and stations,courts,Taiwan,and other mobile facilities that cars,boats,aircraft.The world's chief mode of transport routes over 3,000 million meters,of which more than 130 million meters railway,highway more than 2,000 million metres,inland waterway over 50 million meters,the pipeline more than 150 million meters,air routes over 530 million meters.With modern technology and economic development,railway traffic speed of 300 to 400 km,the highway vehicle speed of 200 km,a ship 500,000 tons more than the giant oil tankers.Carriers to high speed and direction of large-scale development of transport routes constitute a gradual rationalization of the transport network,development of transport.Posts and Telecommunications and to the rapid and integrated services digital direction.
Various modes of transport have their own advantages and characteristics:large transport capacity,faster,lower cost and suitable for the long-distance freight transport,road transport investment relatively small,mobile and flexible,can be realized door-to-door transport ,Suitable for short-distance passenger and freight transport; waterway transportation capacity is large,less energy consumption,low cost,low investment and infrastructure advantages,but slow,suitable for large bulk cargo transport; pipeline low cost,continuous transmission,fitness In the fluid and other casual granular certain goods transport,air speed,but the high cost and suitable for the long distance passenger and mail transport.Worldwide,the road transport of passengers,cargo Habitat various modes of transport in the first.