Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaidedeye would be unable to see.
检测技术可以在一秒钟内对玻璃带进行超过1亿次的测量，从而定位肉眼无法看到的瑕疵。
2
If you can't see the Andromeda galaxy with the unaidedeye, try binoculars.
如果你用肉眼看不到仙女座星系的话，试试望远镜。
3
For starters, try scanning for the Andromeda galaxy with the unaidedeye or binoculars.