It is evident that the over-wall love story in this opera by Wang Shifu has its source of subject matter in the above mentioned two works.

At the begin- ning of collision between foreign architecture form and Chi- nese traditional architecture culture, the phenomena of gradual exceeding emerged.

Library has made "fine for overdue returning books payment", there is not only follow the law, but also contradict of real relationship each other between reader and library.

Percolation theory and percolation model of brittle-ductile transition of polymers;

Characteristics of fractal and percolation of rocks subjected to uniaxial compression during their failure process;