A self competition equation, which is based on individual plant growth equation with some competition interaction term between two plants of same species, is presented.

The charge pricing questions of the highway and railway in free competition;

In order to analyze the relation between two-part electricity price and generation capacity investment in free competition regional electricity market,an electricity price model in power market is constructed based on system dynamics,which is consisted by four modules including electricity supply,demand,capacity price and new capacity investment.

As a result of market odentation,the sports newspapers in China have stepped forward from free competition to monopoly competition.

Study on the sheet drawing parameter identification based on self organic rival neural network;

Used primary competition model and static compare algorithm in this paper,put forwarded some important concepts for an order nonnatual competition,self compare was particnlar useful among,established dynamic compare algorithm to solve more round competition question of an order nonnatual competition.