通过设计并搭建液体二氧化碳冷冻刀实验台，获得低温冷刀内液体二氧化碳与被冻组织内部的温度信息，将其与数值模拟所得的温度分布结果进行比较，二者吻合较好；

The temperature history of liquid CO2 in probe and freezing tissue can be measured and collected. Experimental test showed good agreement with the result demonstrated that computer simulation;

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