Term’s function and performing function are opposite as langue and parole.

Constitution and Design of the Function of Central Green Space in Residential Areas;

The text analyses the effect of construction quality of PVC-U sewer pipes on the function of building water discharge system,put forward the equiping technology through control of sewer pipes slope,leakage of pipes,prevention of blockage and the footer of trap water seals etc.

This paper compares the pipe-expansion screw with old-type mild steel expansion bolt in the their functions and application scope, and introduces the properties and application prospect of the new proprietary product.

Through the study about the family life of special people,as well as the analysis about the present refrigerators,to contrasts the two parts to find the unadapted aspects,and improve on the unadapted aspects to make it satisfy the real needs of people,and show vernacular use functions of family refrigerator.

Through categorization of the service functions and analysis of the importance of seismic resistant bridges,the protection criteria(seismic design categories) for seismic design of highway bridges are put forward on the principle(rational balance between economy and safety) of the rational safety degree of seismic protection for bridge structures.

In this article the factors influencing the service function of civil residence are analyzed.

One was that service function of building must be considered in optimizing the structural scheme,and the quantificational method must be proposed.

And the quantitative mending depends on the effecting of structural performance and using function on concrete struc.

There combined the landscape effect,using functions,historical civilization and ecological effect all in one plaza.

It points out architectural design should pay close attention to environment, serve the people, optimize the using function, and so on.

Study on Settlement Criterion Basing on Serviceability at Bridge Approach;

However the quality of the materials, manufacturing, erection and metal fitting parts i s not stable, which often make the quality of partial doors and windows too low to reach the requirement of the serviceability.