住房的安全性和使用功能的多样性,是我们对居住环境最为关心的两大问题。1976年的唐山大地震,人们至今仍然记忆犹新,谁不想住上一套坚固的抗震房屋呢?诚然,安全性是大家对住房的基本要求。另外,人们从家庭成员的构成出发,对住房的使用功能提出了合理要求:仅以建筑面积50多平方米的普通单元来说, The diversity of housing security and the use of functions are two major issues that we are most concerned about the living environment. The Tangshan earthquake in 1976 is still fresh in memory. Who does not want to live in a strong earthquake-resistant housing? It is true that security is the basic requirement for housing. In addition, starting from the composition of family members, people have put forward reasonable requirements for the use of housing: only ordinary units with a building area of ​​more than 50 square meters,