By introducing several typical examples in earthquake isolation of building structures in Japan,the trends in Earthquake Isolation techniques of building Structures are summarized,and meanwhile,its prospects in china and several problems needed to be solved are indicated.

Based upon the teaching practice,this paper holds that important typical examples play important roles in the teaching practice of Calculus.

On the basis of an extensive collection and analysis of the related data and survey of the survival architectures,the authors deeply research its typical examples,then analyze its characteristics of space,form,material,equipment and decoration,finally summarize the value of Xi\'an modern times mansion architectures in both historical and architectural aspect.

Pattern Recognition in the Typical Cases System──Model and Algorithm;

Mainly introduce failure accident kinds and properties and typical cases in the domestic and at the a-board.

Case teaching is a necessary method of teaching Marketing Business course, and propel application of typical cases will make teaching and learning less difficult and get a better learing effect.

Typical cases of sulfur corrosion at different tempertures and under various conditions are analyzed.

Though analyzing two typical cases happened in real life,it can be seen that in existing building engineering codes and regulations there are the gaps about construction work administration in rural area.

Two important factors which work are "Analogy applies" and "typical case".

Concrete analysis has been made according to the typical examples.

In this paper the current situation?typical examples?some problems and trend of tunnel boring machine in the long tunnel are introduced.