对应Gershwin的分解法，用于求解带有缓存区的双机串联生产线中的参数C，参见文献《An efficient decomposition method for the approximate uation of tandem queues with finite storage space and blocking》-Corresponding to Gershwin s decomposition method for solving the two-machine with a buffer zone of the series production line parameters C, see the document　An efficient decomposition method for the approximate　uation of tandem queues with finite storage space and blocking