是有.numMU这个属性的,我刚刚查帮助找到了2 b# {& R ~2 z2 C
numMu 8 [! O; J5 L2 M
Usage: <mu_path>.numMu; : R- c; X9 B7 T0 m " G8 n3 J# ?, f# w! h/ z6 AThe method numMu returns the number of MUs located on the loading space of the MU designated by <mu_path>. 2 R% X' E: \3 X* w
6 j! L1 Y1 k9 {5 @( Z0 ^( `$ hThe return value is of type integer. : @' g& m* T8 ?; L9 h6 H$ `