如果他们成功了,那么就不再需要电池。
现在,我们都知道,当你真需要电池时它们总没电。
Now, we all know when you really need batteries, they're dead.
它也不需要电池供电。
I can take you and immediately start designing batteries, because we need ions in motion, we need small ions in motion.
我可以从此让你快速起步设计电池,因为我们需要能运动的离子,我们需要能运动的小型离子。
Imagine how much power it takes to drive an artificial heart, so you've got to have a battery or some way of generating power continuously to operate that and that makes it difficult to think about implantable and so that's a really good example of Biomedical Engineering.
驱动人工心脏所需要的能量是难以想像的,所以需要电池或者是某种持续发电装置,来给人工心脏提供能量,这就增加了人工心脏的植入难度,这是很好的生物医学工程的例子
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