想要下载merra2不同压强高度的月均温数据，应该具体选择哪个呀
月均温下载教程https://m.baidu.com/video/page?pd=video_page&nid=9115887964474323214&sign=9856295347424652509&word=%E6%83%B3%E8%A6%81%E4%B8%8B%E8%BD%BDmerra2%E4%B8%8D%E5%90%8C%E5%8E%8B%E5%BC%BA%E9%AB%98%E5%BA%A6%E7%9A%84%E6%9C%88%E5%9D%87%E6%B8%A9%E6%95%B0%E6%8D%AE&oword=%E6%83%B3%E8%A6%81%E4%B8%8B%E8%BD%BDmerra2%E4%B8%8D%E5%90%8C%E5%8E%8B%E5%BC%BA%E9%AB%98%E5%BA%A6%E7%9A%84%E6%9C%88%E5%9D%87%E6%B8%A9%E6%95%B0%E6%8D%AE&atn=index&frsrcid=1508&ext=%7B%22jsy%22%3A1%7D&top=%7B%22sfhs%22%3A1%2C%22_hold%22%3A2%7D&sl=4&fr0=A&fr1=A&ms=1&lid=7784781687363943834&referlid=7784781687363943834&frorder=1&_t=1653627486341
气象数据集（MERRA-2再分析数据集）https://blog.csdn.net/weixin_43465015/article/details/109627270