In this paper, we also gived some discussions about how to design thelight road to obtain large viewing angle and how to choose taking parameters to obtainhigh diffraction efficiency.

Such as the formation and practice of Comparating thought,the training of "Transposition" thought,the formation of macro-perspective,the digging of "Experience" thought and methods,These four factors are also the good means to achieve the purpose of teaching object.

On the basis of current research works and from micro perspective,the paper develops an international marketing strategy pricing analysis framework,explores the incomplete exchange rate pass-through phenomenon from micro level.

Along with the appearance of a series of excellent telecine products, the telecine has provided billions of Chinese audience with an all-new appreciative perspective and special aesthetic experience.