Firstly, it designs Bogardus social distance scale to measure natives' social distance and the reverse social distance scale to measure outlanders' social distance.
第一、设计对本地人和外地人社会距离进行有效测量的博格·达斯社会距离量表和反转的社会距离量表。
2
James Bogardus (1800-1874) built the pioneering Cast Iron Building, New York (1848), with a rigid iron frame providing the main support for upper-floor and roof loads.