One of the things that cardiologists have learned how to do

心脏科医师们已经掌握如何
is how to look at potentials that are generated

如何观察从不同空间位置
from different spatial locations,

生成的电位
and correlate that with things

并考虑与其相对应的
that are happening over the complex geography of the heart.

心脏复杂部位所发生的事情
Why do you have more than one electrode?

为什么要贴好几个的电极
It's so you can look at the heart from sort of different angles.

这样你就可以从不同的角度观察心脏
Questions?

还有什么问题吗
Good,see you on Thursday.

很好下周四再见