说明：  该论文论述了一种新型的无创估计心输出量的方法-经胸电阻抗方法。 尽管有很多无创估计心输出量的方法，但是这些方法都有明显的缺陷，没有应用于临床。本文介绍的方法比较新颖，估计精确度较高，操作相对简单。
(The proposed method show us a new method to evaluate the cardiac output noninvasively. Althourgh several methods have been proposed, they are some shortcomings on each of them. The present method employs a new way to measure the output. Come to learn it, buddy... ...)