History · Reality · Future——A main line in the teaching of Deng Xiaoping theory;

the main line of ideological and political education work and construction of institutionalization and standardization;

Changes in resources and structure——the main lines of paper industry investment in 2008;

To elaborate the sub-advantages of Lishui so as to realize its leap-across development, we must make it clear that to establish and carry out the point of scientific development and follow the road of scientific development, is the main thread of Lishui s development.

Starting from analyzing the cause of his creation for The Waste Land,this article focuses on finding Christian main thread,namely,"Guilt-Abandonment by God-Hell-Salvation",which can not only rein every part of the whole poem,but also solve the conflict between lack of water and existence of water in The Waste Land.

As the core method of methodology about socialist essence, dialectic materialism expands along with contradiction among the object of development,the shape of development and the measure of development, and establishes the main clues through socialist politics and economics.

Since the key point of a harmonious society lies in its construction,people must take pains to study how to construct it and get a good grasp of the theme,the principal line and the gist of construction.

This paper proposed a principal line extraction method of directional palm-print line by combining morphologically filter and Hough transformation.

On optimizing design of main road of city surrounding highway in Haikou of Hainan province