The SUBDATASETS domain holds a list of child datasets.Normally this is used to provide pointers to a list of images stored within a single multi image file (such as HDF or NITF).

• SUBDATASET的域包含一些列子资料组，一般，这些用于提供指针指向存储在单个多文件的图像的列表(比如，HDF文件或者NITF文件)。