The illustration above is a concept image showing what it would look like with the lens displaying a digitaloverlay of the letter E.
上面的插图是一幅概念图片，显示了戴上这种眼镜会看到的情景：画面上叠加了一个字母E。
2
The idea behind the technology is to overlaydigital imagery on a person's view of the real world, using a smartphone screen or a headset.
这项技术背后的设想是利用智能手机屏幕或头戴设备，将数字图像覆盖在一个人看到的真实场景上。
3
The main tasks of the paper include: Firstly, it studies and establishes an implementing project of overlay display of the ECDIS and the radar digital batched objects information.