灾中过渡安置房temporary houses after earthquake
Subset. What we build is a basic unit with independent function. The cubic shape is the best shape for living space, and also the most easy shape for combination. With combination of basic units, it can obtain new function set, such as clinics, schools, small stores, etc. So, it has a huge potential in the construction of the perfection of late. Meanwhile, from the mathematical concept of subset,in allusion to a large set of community living together is a promoter for interaction among people after disaster.