A solar spike seen on the morning of December 7th in Allegan, Michigan. The sight id caused by wintery ice crystals in the Earth's upper atmosphere refracting light from the sun.
日柱，摄于12月7日的早晨，密西根州阿勒甘地区。它是由地球大气层顶部冰晶体折射太阳光而形成的。
An ID command to get all the devices connected and the turn the light on or off command.
一个ID命令拿到所有的装置连接，把灯打开或关闭命令。
An ID command to get all the devices connected and the turn the light on or off command.
一个ID命令拿到所有的装置连接，把灯打开或关闭命令。
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