英语翻译Figure 1:The conduction system of the heart 2.Figure 2:Experimental setup.Refer to Figure 4 for a zoomed in picture of the recording region.Figure 3:Pulse-echo of the 540kHz transducer off a flat air/water interface
问题描述：
英语翻译
Figure 1:The conduction system of the heart 2.
Figure 2:Experimental setup.Refer to Figure 4 for a zoomed in picture of the recording region.
Figure 3:Pulse-echo of the 540kHz transducer off a flat air/water interface
答
图1 心脏的传导系统
图2 实验装置.记录区的放大图可参见图4.
图3 540kHZ换能器从平坦的空气/水界面的脉冲回波