读取微机格式\ascii2ebcdic.m
............\count_struct.m
............\ebcdic2ascii.m
............\header.m
............\ibm2ieee.m
............\plotpinpu.m
............\readsegy_pc.m
............\segy_struct.m
............\setpath.m
............\wigb.m
............\writesegy_pc.m
读取微机格式