Objective To research general anesthesia of laryngeal mask airway complex epidural block in midsection operation for the influence of circulation function and stress reaction.
目的探讨喉罩通气全麻复合硬膜外阻滞在上腹部手术中对循环和应激反应的影响。
The relation of transfer function of complex system is derived in detail and manipulated with block diagram.
对复杂系统的传递函数关系作了详细推导和数学运算，并用框图方法表示。
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