常微分方程求解程序 ..................\ADMS.C ..................\ADMS0.C ..................\ELR1.C ..................\ELR10.C ..................\ELR2.C ..................\ELR20.C ..................\GEAR.C ..................\GEAR0.C ..................\HAMG.C ..................\HAMG0.C ..................\RINV.C ..................\RKT1.C ..................\RKT10.C ..................\RKT2.C ..................\RKT20.C