来自《耶鲁大学开放课程：生物医学工程探索 第23集 第23集》
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approaches we talked about a few weeks ago.工程学方法进行了补充 -
Now how might you do that?怎样才能做到呢 -
Well, let's imagine,让我们想象一下 -
just look on this side of the slide here,看着幻灯片的这一边 -
and imagine you have a hollow fiber.想象你有一支空心纤维 -
A hollow fiber is a fiber that has an outside diameter,空心纤维具有一定厚度的外壳 -
and then it's hollow on the inside,内部中空 -
made of some kind of synthetic material.由某种合成材料制成 -
It might look like a straw,看起来像一支吸管 -
like a straw that you drink through,像你用来喝水的吸管 -
only the straw has special properties.只有吸管有这种特殊的性质 -
In general it's much,总的来说