本程序用于自动将day of year 换算成月和日的对对于批量处理的卫星数据文件特别有用，尤其是当卫星数据文件是以day of year形式存储的时候-This procedure for automatically on the day of satellite data files is particularly useful for batch processing, especially when the satellite data file is stored in the form of day of year when the year of the month and day in terms of