during the time period when this scaffolding is disappearing

在支架逐渐消失的时间段里
genuine tissue is being formed in its place.

在该处会形成真正的组织
That's an advantage of these materials as well,

这也是这些材料的优势
that because they're polymers we can control,

因为我们能够控制多聚物的性质
to a fairly high degree,

这种控制相当有效
how fast they degrade and what products they degrade into.

就是控制它们的降解速度和降解产物
This shows you an example of tissue engineering

这里给出了一个组织工程的例子
where these kinds of materials, I showed you on the last slide,

这类材料我在最后一张幻灯片上写了
so microscopically they'd look like this up on the top panel here.

用显微镜看它们看上去就像上面这样
Macroscopically, or with your eye,

宏观来看或用肉眼看
this is just a photograph from a camera.

这只是一张用相机拍摄的照片
You could make these thick materials,

你可以用这些厚实的材料