今天我们将教你如何使用红外线发光二极管作为通信设备为您的项目。
Today we'll teach you how to use IR LEDs as communication devices for your projects.
这个红外线图像反而显示了明亮发光的尘埃。
This infared image shows that dust glowing brightly instead.
至今星际尘埃是通过测量长于红外线的波长的强度和发光颜色来权衡。
The present day interstellar dust is weighed by measuring the intensity and color of emission at longer infrared wavelengths.
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