鉴定标志 meaning in Chinese

identification markers
identification marking

Cities are the defining symbol of modern civilization
城市是现代文明的鉴定标志。
" five germany " of jade which the ancient called , is the appraisal mark too , it includes such respects as quality , gloss , sound , etc . mainly , and call the nephrite real jade , other jade is called for the non - real jade
古人谓之玉的“五德” ，也是鉴定标志，其主要包括质地光泽声音等方面，并把和田玉称为真玉，其它玉叫为非真玉。