Overall, builders closed 850 home sales last month, down 11 percent year-over-year, and sold them for a median price of $529,833, up 8.1 percent from a year earlier. After a buyer signs a sales ...

School of Telecommunications Engineering, Jiangsu Vocational Institute of Architectural Technology, Xuzhou 221000, P. R. China School of Mechanics & Civil Engineering, China University of Mining and ...