Glass mirrors were the latest cutting edge technology in the middle ages, but the convex mirror was the only shape possible.

玻璃子是中世纪最新的尖端技术，但是唯一可能的形状。

Dark and spacious, a lot of tufting and art deco resemblance of the 1920s.

黑暗而宽敞，有很多装饰和20世纪20年代的装饰艺术风格。

It did have kind of these convex mirrors.

它确实有这种。

And it's cut in a convex manner, so the edges are thin and the middle part is thicker, if you want to see better close up.

它采用切割，边缘较薄而中间部分较厚，这样近距离观察时能看得更清楚。

These mirrors are convex, causing rays to converge into a real image, which is then magnified through an eyepiece or projected directly onto a digital sensor.

这些子是的，使光线会聚 成真实图像，过 目放大或直接投射到数字传感器上。

There's other things, you know, like I slightly rounded this pole here, it's just a little nuance 'cause when you pound a stake in, if you picture it, if it's convex, when you're pounding it it's gonna blow the fibers apart.

- 还有其他一些事情， 你知道的，比如我把这里的柱子稍微磨圆了一点，这只是一个小细节， 因为当你把木桩敲进去时，如果你想象一下， 如果是的话， 在敲打的时候它会把纤维震散。