是有.numMU这个属性的,我刚刚查帮助找到了, u0 k0 O+ s* |& I' W
numMu 9 @6 j$ O7 F* a4 f: P5 _- T
Usage: <mu_path>.numMu; $ l2 } ~/ d6 I) t! g# @% T0 v* s8 ^3 S5 `& X" Z
The method numMu returns the number of MUs located on the loading space of the MU designated by <mu_path>. " b# r0 C, r5 D1 a, r
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The return value is of type integer. - W' `5 h- K r+ m' ~. ~/ M0 V
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Example: .MUs.transporter:1.numMu;