displacement In the American society of automotive engineers standards SAEJ 687 c for automobile is defined as: power driven by itself, with a driving device, can in a fixed orbit outside the road or on regional transport passenger and cargo or vehicle traction vehicles. Cars are divided into bicycles and trains according to the overall structure. Cycling is a basic form. 4 x 2, 6 x 4, 4 x 4 and 6 x 6 are used to represent the driving characteristics. The previous number represents the total number of wheels (double tire and still count a wheel), and the latter number indicates the number of driving wheels. If all wheels are driven wheels are called all-wheel drive vehicles. The train is made up of a tractor or a bicycle trailer or semi-trailer. Car generally can be divided into the following categories, according to the use cars, buses, freight cars (commonly known as the truck), off-road vehicle, traction motor, dump truck, special vehicles, semi-trailer and special semi-trailer. Securities companies that need to invest in securities should apply for the corresponding investment financial accounts. Account can be used in financial investment in stocks (including A shares, B shares and H shares, etc.), bonds (including Treasury bonds, corporate bonds, corporate bonds, etc.), futures (including financial futures, such as stock index futures, foreign exchange futures, commodities such as metal futures, futures of agricultural products, etc.) and so on A series of financial instruments to invest in securities. The opening of the securities account can be handled by the business department of the securities companies and it needs to be handled within the trading day. Some securities companies such as guotai junan securities through the provinces website (e.g., guotai junan guangdong) online booking, through the appointment of account opening time is more flexible and corresponding work time, lunch time, daily can open an account on Saturday.