The consistency and diversity of style is another important category of research style. For the same writer, the consistency of style is mainly derived from the author's personality, personality, temperament, etc., which is often associated with the stability of style. The diversity of style is mainly derived from the differences of the description objects, and also related to the different aspects of subjective emotion that the author objectifies in the object through the creation of activities. The consensus is that diversity is the same, the same is the difference; Diversity is the diversity and diversity of the same. As du fu's basic style is melancholy and depressed, this style characteristic almost runs through his whole life several major creation period, the expression is stability and consistency; But from the wide range and different subjective colors of the poet's creation, it shows the variability and diversity. Wang anshi said: "as for du fu, he was sad and poor, and he was restrained and restrained. Therefore, the poem has plain and simple; The exact person with the mianli; The commander in chief of the armed forces; The man who has suddenly turned over the horses; There is a quiet demure valley hermit; If you have a romantic interest in a prince." It points out the diversity of the same writer's style. Profit is divided into pretax profit and after-tax profit according to its forming process. Profit before tax is also called total profit; Pre-tax profit minus income tax, i.e., profit after tax, also known as net profit Principles of scientific management representative, robot -- essentially boils down to is a kind of management mode or method, because the person's scientific work and collaboration and the study of the motivation and efficiency of the relationship is to develop the corresponding management methods. The representative of the school of social systems, Barnard (ci.). Barnard, whose research results are based on the role of managers in an organization and how it works These days, designer wear is fast getting introduced in the market. This means designer wear won't remain restricted to the fashion world. Combining ethnic traditional patterns and western trends has always reaped plenty of benefits for the designers. Most of the designing world appears to have lapped up this trend and also this new trend has in reality been called the most effective what to have happened towards the designing industry. Fashion designing has become being dictated mostly through the unique concepts that appear with such interesting combinations of modern western trends and ethnic ones. Extreme sports is a multi-form sport project and game, life and work evolution, participation in the youth dominated by the high difficulty spectator sports. In the process of integration with nature, human beings, with the help of modern high-tech means, maximize their self-physical and mental potential and play an entertainment sport that challenges themselves. It except pursue athletics sports superego physiological limit "higher, faster, stronger" outside the spirit, more emphasis on participation, entertainment and brave spirit, pursue when surmounts psychological barrier obtain pleasure and a sense of achievement, at the same time, it also embodies the human nature, return to nature, to protect the environment of good will, so has been the world known as "the future sports".