Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaided eye 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。

youdao

If you can't see the Andromeda galaxy with the unaided eye, try binoculars.

如果你用肉眼看不到仙女座星系的话，试试望远镜。

youdao

For starters, try scanning for the Andromeda galaxy with the unaided eye or binoculars.

对于初学者，可以尝试用肉眼或者双眼望远镜来寻找仙女座星系。

youdao

Sometimes,observers see this as a comet's tail, which can be visible to the unaided eye stretching across the night sky.

VOA: special.2011.02.09

The Andromeda Galaxy is big enough and near enough to be seen by the unaided eye in the star group Andromeda on a dark night.

VOA: special.2009.01.20

This is our working definition where small indicates that is has features too small for the unaided human eye to see.

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It has a 4.8-inch display and can be used for 23 mm wide-angle photos which, according to Samsung, is a wider field of view than the unaided human eye can see without swiveling your head.

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