Two methods of solution,one by the differential calculus and the other by the resolution of velocity,are introduced and compared;the third method,starting from the concept of work and energy,is provided and analysed; finally,the fourth method,which is a method of geometry,is described.

The Significance of Modernity of Kant s Aesthetics is displayed in three perspectives of aesthetics critical function,communicative function and reconciliatory function.

On the Peace Function of Zhidao in Qin Dynasty and the Tourist Value of Zhaojun Marrying the Khan Huhanye;

This paper argues that a better expression of harmony in the accompaniment of ethnically-styled songs can be achieved not only by putting emphasis on ethnic styles on the basis of traditional functional harmony,or adding modern harmony into songs based on ethnic styles,but also by giving different har.