If self employed: business registration documents confirming the business owner's name and the date the business started trading.
自营职业者：商业注册文件确认公司所有人以及公司开始营业的日期。
2
Comparing to traditional methods of confirming weight in multi-factors, the new method presented in the paper is based on the data self-adapting, and does not need intervene humanly. Therefore, th...