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 again, and add it)