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Anonymous users2024-02-07No wonder you called the beaten passerby A to ask such a question, I don't understand what you mean, I don't know if you understand what you want to ask.
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Anonymous users2024-02-06It depends on how far away. Whether it's studying or watching the computer, keeping 20-30 cm away can basically effectively protect the eyes, that is, the electromagnetic laying is so powerful, keeping 20 cm away, basically has no effect on people. These are tested, my eyesight has been until the end of college, eyesight has been maintained well, is to pay more attention to the posture of reading, the posture of some children, do not believe that there will be myopia, some children are to see others wearing glasses, they also want to bring, out of a kind of vanity, resulting in the later can not remove the eyes, remind the child to read, read, write posture, no problem!
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Anonymous users2024-02-05Yes, as long as the output voltage of the battery is the same, the positive and negative poles should not be connected to the wrong one, but the specifications and sizes of the battery may not be the same.
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Anonymous users2024-02-04The working principle of the dance machine is mainly to judge whether the person's movements are in place or whether they are making the correct movements through photoelectric sensors. For dance machines, the photoelectric sensor is the eye, which can recognize the selection of songs, fast and slow speed, etc.
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Anonymous users2024-02-03I've played with this. This is to take your fingerprint first, and then it will move with your fingerprint. If suddenly a person reaches over while using it, and his fingerprint appears in the machine and is scanned along with the original fingerprint, it will be chaotic.
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Anonymous users2024-02-02Some have a resolution of 640 times 480 and some have a resolution of 1024 times 768. Then in the display resolution filial piety.
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Anonymous users2024-02-01Do you have a computer? Yes, play at home, just as fitness.
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Anonymous users2024-01-31Useful. Just play more and exercise more. Hope you succeed
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