There are three main differences between Chinese s and Americans interpersonal communication patterns , which are caused by the difference in culture.

In the construction scheme of Central China electricity market the main transaction mode of Central China electricity market has been proposed,which adopts long-term bilateral transaction primarily and short time spot market as an auxiliary.

After systematically reviewing the development process of construction project transaction mode in our country, owners management and project delivery system used in our country are discussed, and the reasons of lack of diversity are analyzed.

To promote China power network development, this paper introduces in detail the transaction modes of power market in Nordic Power systems, including the spot trading forward trading,etc.

This paper expounds the developing history of e-commerce,analyzes on the current main trade modes of e-commerce,and forecasts the developing trend of the trade modes in the future.

Starting from the angle of E-commerce,this paper probes into some problems involved in the course of E-commerce of the statistical information such as the definition of the statistical information product,the construction of the trade mode and platform,the security and price-fixing of the product.

Loss allocation methods for different power market transaction models;

The transaction model constitution and the transmission congestion management in the process of power transactions constitute a key issue in the normal operation of the power market.