在线国产一区二区_成人黄色片在线观看_国产成人免费_日韩精品免费在线视频_亚洲精品美女久久_欧美一级免费在线观看

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： 久久成人毛片 | 亚洲天堂一区 | 韩日精品| 欧美大片在线观看 | av在线成人 | 亚洲视频二 | 免费成人在线网站 | 黄色a在线观看 | 成人一级片视频 | 97人人草| 国产69精品99久久久久久宅男 | 国产成人综合网 | 成人一区二区三区视频 | 九九综合九九 | 五月婷婷综合网 | 中文字幕成人 | 欧美日韩国产高清 | 国产精品一区二区精品 | 久久久久久国产免费视网址 | 日韩视频精品 | 欧美成人三区 | 亚洲精品国产精品乱码不99按摩 | 娇小12—13毛片 | 国产xxxxxxxxxx | 国内精品视频一区国产 | 在线免费av观看 | 中文字幕 国产 | 国语对白做受欧美 | www在线视频 | 精品欧美一区二区三区久久久 | 性色av一区二区三区 | 伊人久久国产 | 亚洲国产成人在线 | 日本三级视频在线观看 | 亚洲精品字幕 | 日韩视频精品 | 久久久久综合狠狠综合日本高清 | 一区二区中文字幕 | 日韩久久一区二区三区 | 久久久网 | 九色在线观看 |