单支红色发光二极管表示电源已接通。
这种设计是以前提供的所有红色发光二极管和所有绿色的LED。
This design was previously available with all red LEDs and all green LEDs.
这些传感器很容易调准，且使用非常明亮的红色发光二极管来安装。
These sensors are easily aligned and installed using the extremely bright red sender led.
每点包括三支微小的发光二极管：红色，蓝色和绿色。
Each point consists of three tiny light-emitting diodes: red, blue and green.
M5透明超亮发光二极管：红色，黄色，绿色，白色，蓝色。
M5 transparent bright LED: red, yellow, green, white and blue.
为了分析准单色光照射轴锥镜的衍射特性，用红色高亮发光二极管作为准单色光源。
A red highlight LED was used as quasi-monochromatic light source for analyzing the diffraction property of an axicon in quasi-monochromatic light.
为了分析准单色光照射轴锥镜的衍射特性，用红色高亮发光二极管作为准单色光源。
A red highlight LED was used as quasi-monochromatic light source for analyzing the diffraction property of an axicon in quasi-monochromatic light.
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