来自《耶鲁大学开放课程：生物医学工程探索 第21集 第21集》
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Now, if you go on--如果你继续 -
if any of you go on to study quantum mechanics如果你们之中有人继续研究量子力学 -
or you try to study the physics of medical imaging,或者详细研究医学影像学的物理机制 -
particularly MR in more detail,尤其是磁共振的原理 -
you'll learn that this simple description你就会发现我给你们的这个简化版原理 -
I gave you is not entirely accurate. It's not inaccurate,其实并不完全准确 或者说不是不准确 -
but it doesn't describe the whole thing.而是不能完整地描述这项技术 -
It's really a quantum mechanics phenomenon这实际上是产生于分子的 -
that's happening with the molecules here.量子力学现象 -
It can't be described completely我们无法进行详尽的讲解 -
unless you have the sort除非你们掌握一些 -
of tools of quantum physics to describe it,能够用于研究量子力学的工具知识