是有.numMU这个属性的,我刚刚查帮助找到了. r4 S% ]4 ]$ p* U# l& j+ N( P' D
numMu 3 m+ m R3 t( h" t" |1 I8 z" sUsage: <mu_path>.numMu; , ^" M+ p6 I; ?& X' A, t4 I# |4 V. R7 l# a) x* o" d Q0 ?5 ?
The method numMu returns the number of MUs located on the loading space of the MU designated by <mu_path>. 9 |/ c. _) O- ?# ~7 O3 b9 S' b [) [: [) P
The return value is of type integer. 7 B; ~6 G$ g o: d