读取美国NASA的HDF5数据，并制作全球潜热分部图-Read the U.S. NASA' s HDF5 data, and produce a global latent heat Segment Figure

读写HDF5文件，可以帮助对HDF5开发的人对其文件结构更快的了解。-Read and wirte HDF5 file,This can help who devolop HDF5,they can known the struct of hdf5 file through the app