This author has not been identified. Look up 'Tiejun Cheng' in GoogleThis author has not been identified. Look up 'Yuan Zhao' in GoogleThis author has not been identified. Look up 'Xun Li' in GoogleThis author has not been identified. Look up 'Fu Lin' in GoogleThis author has not been identified. Look up 'Yong Xu' in GoogleThis author has not been identified. Look up 'Xing-long Zhang' in GoogleThis author has not been identified. Look up 'Yan Li' in GoogleThis author has not been identified. Look up 'Renxiao Wang' in GoogleThis author has not been identified. Look up 'Luhua Lai' in Google