三级aa视频在线观看-三级国产-三级国产精品一区二区-三级国产三级在线-三级国产在线

Top 10 emerging technologies of 2019

chinadaily.com.cn | Updated: 2019-07-09 06:40
Share
Share - WeChat

Metalenses

This flat metalens is the first single metalens that can focus the entire visible spectrum of light -- including white light -- in the same spot and in high resolution. [Photo/Shanghai Youth Science Society]

These lenses are so small that, up until now, it has been impossible to make them through traditional glass-cutting and glass-curving techniques. A breakthrough in the way lenses are produced will allow further miniaturization in sensors and medical imaging devices.

|<< Previous 1 2 3 4 5 6 7 8 9 10 11 Next   >>|
Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
主站蜘蛛池模板： 99re8在这里只有精品23 | 国产成人亚洲精品久久 | 黄色国产免费观看 | 高清欧美日韩一区二区三区在线观看 | 日韩 欧美 亚洲国产 | 久久久久久88色偷偷 | 可以免费观看一级毛片黄a 可以免费观看欧美一级毛片 | 一级特级欧美a毛片免费 | 91蝌蚪在线视频 | 国产精品久久国产精品99 | 尤物网站在线播放 | 亚洲免费一 | 日本高清免费一本视频在线观看 | 我们不能是朋友未删减版在线看 | 182午夜视频 | 亚洲一区区| 欧美女交| 成人免费视频社区 | 中文字幕一区二区三区精彩视频 | 成人在线视频免费观看 | 奇米色88欧美一区二区 | 午夜剧场毛片 | 亚洲一级大片 | 久久久久久99| 欧美一级毛片生活片 | 久久精品国产99久久3d动漫 | 91成人高清在线播放 | 国产情侣啪啪 | 午夜激情视频 | 日韩欧美在线第一页 | 五月天婷婷网站 | 亚洲精品入口一区二区乱 | 手机看片国产欧美日韩高清 | 午夜精品在线免费观看 | 爱爱欧美 | 香蕉视频呦呦 | 我想看黄色毛片 | 中国人免费的片 | 免费一级a毛片在线播出 | 黄在线免费看 | 国产精品亚洲专区在线播放 |