在地震资料处理时，将su文件转换为segy文件，需要写道头和卷头，程序中有给出，其中一些读写segy文件的函数需要再行下载-When seismic data processing, the file is converted to segy su file, you need to write head and the volume header, the program has given some of which function to read and write files need