【MCM】((N_G,N_A)) 可行域; ((C_R,c_E)) 分区图import numpy as np import matplotlib.pyplot as pltM = 1e8 # tons H = 3 Q_h = 179000 # tons/year per harbour Q_E = H * Q_h # total elevator nominal throughput (tons/year) m = 125 # tons/launch (representative within [100,150]) Tstars = [1, 2, 3] # years NA