试用视觉搜索
使用图片进行搜索，而不限于文本
你提供的照片可能用于改善必应图片处理服务。
隐私政策
|
使用条款
在此处拖动一张或多张图像或
浏览
在此处放置图像
或
粘贴图像或 URL
拍照
单击示例图片试一试
了解更多
要使用可视化搜索，请在浏览器中启用相机
English
全部
图片
灵感
创建
集合
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
自动播放所有 GIF
在这里更改自动播放及其他图像设置
自动播放所有 GIF
拨动开关以打开
自动播放 GIF
图片尺寸
全部
小
中
大
特大
至少... *
自定义宽度
x
自定义高度
像素
请为宽度和高度输入一个数字
颜色
全部
仅限颜色
黑白
类型
全部
照片
剪贴画
素描
动画 GIF
透明
版式
全部
方形
横版
竖版
人物
全部
仅脸部
半身像
日期
全部
过去 24 小时
过去一周
过去一个月
去年
授权
全部
所有创作共用
公共领域
免费分享和使用
在商业上免费分享和使用
免费修改、分享和使用
在商业上免费修改、分享和使用
详细了解
清除筛选条件
安全搜索:
中等
严格
中等（默认）
关闭
筛选器
850×574
researchgate.net
Emission spectrum of white LED lamp (A), absorption and emission ...
850×287
researchgate.net
Capsule light emission. a LED emission spectrum (red and blue cases); b ...
444×330
ruander.com
Ruander.com: Emission Spectrum
1500×1000
ThoughtCo
Emission Spectrum Definition in Science
640×640
researchgate.net
(a) Emission spectrum and photos (inset) of the w-LED …
637×637
researchgate.net
Empirical emission spectrum of the blue LED and the excitati…
850×547
researchgate.net
455 nm LED emission spectrum, with additional spectrum of the 405 nm ...
753×530
researchgate.net
GaN:Mg LED emission spectrum [18]. | Download Scientific Diagram
850×480
researchgate.net
Emission spectrum of the constructed green LED (a) and warm white LED ...
850×452
researchgate.net
LED emission profiles. (a) Measured spectrum of the LED lamp driven at ...
640×640
ResearchGate
The emission spectrum of LED illuminator | Do…
722×492
researchgate.net
14-Theoretical emission spectrum of a color semiconductor LED ([1 ...
521×521
researchgate.net
(a) The real-time LED emission spectrum is c…
497×497
researchgate.net
Electromagnetic emission spectrum of LEDs. | Do…
688×569
researchgate.net
(a) Emission spectrum of a white LED driven by 220 mA…
850×508
researchgate.net
The emission spectrum of the LED after a one-minute warm-up (the dashed ...
320×320
researchgate.net
The emission spectrum of a commercially availabl…
850×897
researchgate.net
Analysis of laser light emission spectrum (a). Analysis of light ...
850×618
ResearchGate
Emission spectrum of the blue LED (Emitter C; Schuster, Santa Maria ...
640×640
researchgate.net
(a) LED emission spectrum measured with the monochrom…
681×526
researchgate.net
Figure S1. The emission spectrum of the white LED light. | Download ...
598×598
researchgate.net
Emission spectrum of the LEDs lamps (EarthLED) used in the ex…
850×735
researchgate.net
In both graphs the typical emission spectrum from a fully-transparent ...
732×684
researchgate.net
LED emission spectrum measured over the whole spectral range of th…
732×604
researchgate.net
In both graphs the typical emission spectrum from a fullytransparent ...
850×278
ResearchGate
The emission spectrum of the white light LED (A) and the transmission ...
669×579
researchgate.net
EL emission spectra of (a) ST-LED and (b) EC-LED. …
640×640
researchgate.net
Graphic representation of LED spectrum | Do…
850×252
researchgate.net
Emission spectrum of w-LEDs based on (a) (C 13 H 14 N) 2 MnBr 4 and (b ...
320×320
researchgate.net
Emission spectrum of w-LEDs based on (a…
640×640
researchgate.net
Emission light spectrum of the four LEDs | Do…
562×562
ResearchGate
| Emission spectra of LED lamps. | Downlo…
850×656
ResearchGate
Emission spectra of LED light sources. | Download Scientifi…
850×336
researchgate.net
(Color online) (a) Emission spectra of white LED lamps made of 380 nm ...
1261×895
elementalled.com
Patents — Elemental LED
某些结果已被隐藏，因为你可能无法访问这些结果。
显示无法访问的结果
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
反馈
反馈
%3amax_bytes(150000)%3astrip_icc()%2frainbow-colored-hologram-foil-paper-912625814-5b1fd1a9ba61770037e7a493.jpg&cdnurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR.7e0046ff4c4eeca7d33d5ab6840cd0b1%3frik%3dyVCk5gOYPh6bFA%26pid%3dImgRaw%26r%3d0&exph=1000&expw=1500&q=LED+Emission+Spectrum&simid=608028380711571831&FORM=IRPRST&ck=726976B27ECB721B437453BD0A6A7FFA&selectedIndex=3&itb=0)
