The diameter of a sphere is four times the focal length of a concave mirror cut from it.
凹面镜如果是从圆球上切下来的，圆球的直径会是凹面镜焦距的四倍。
Although high hardness sapphire table mirror, only the diamond can cut it in theory, but does not mean that everything is all right, but also to prevent collision and fall break table mirror.
虽然蓝宝石表镜硬度高，理论上只有金刚石才能划伤它，但不代表就万事大吉，还要防止撞击和掉落震碎表镜。
I'm smiling in the mirror at my new cut and color when suddenly, oy-my teeth seem to need a little color correction of their own.
我对着镜子里的我的新发型微笑着，突然，哦，我的牙齿似乎需要一点颜色校正。
This day, you look into the mirror before leaving, you suddenly find the hairstyle is nice, maybe you can cut it later.
这一天出发之前照照镜子，你会发觉你的发型其实蛮好看，还可以迟些才去修剪。
One side shows off mirror gun metal calfskin embossed with a motif evoking the facets of cut crystal.
一面镜子炫耀枪金属压花小牛皮与序引起了方方面面的水晶。
He jumped up and hastened to the mirror in the bathroom, taking away the towel to examine the cut upon his check.
他跳起来，连忙跑到洗脸室的镜前，拿掉了毛巾，细看他腮上的伤口。
Adopt imported reflect mirror and lens from America, makes the facula thinner and the cut stronger.
采用美国进口反射镜和透镜，光斑更细、切割力更强。
Once cut, the wafers are polished until they have flawless, mirror-smooth surfaces.
切割出的晶圆经过抛光， 表面变得毫无瑕疵、如同镜子。
He jumped up and hastened to the mirror in the bathroom, taking away the towel to examine the cut upon his cheek.
他跳起来连忙跑到卫生间的镜子前，拿起毛巾，仔细察看脸上的伤口。
He jumped up and hastened to the mirror in the bathroom, taking away the towel to examine the cut upon his cheek.
他跳起来连忙跑到卫生间的镜子前，拿起毛巾，仔细察看脸上的伤口。
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