MXY连算版可更新数据 1.打开软件点2.54添加增加记录，点保存数据~！ 2.然后点MXY数据添加器，再点读取，再点添加(MXY Edition (renewable data) 1. open the software point 2.54 add the increase of the record, point to save the data 2. then point the MXY data add, read