IMEI code, namely the serial number of the mobile phone. It is the abbreviation of International Mobile Equipment Identity. Like the identity card of a mobile phone, it is used to help identify the identity of a mobile phone. Each mobile phone has only one serial number, which is not the same. We usually match the serial number displayed after pressing the "* # 06 #" key on the mobile phone with the barcode on the mobile phone box and the serial number in the back of the mobile phone after removing the electric board. If the three are the same, it is more likely to be genuine goods (not excluding second-hand goods).
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Cell phone NFC and Bluetooth has now been very widely used, the principle is the radio transmission technology, but they have a fundamental difference.
The working principle of the camera can be divided into four key steps: optical imaging, electrical signal conversion, digital signal processing and image output.
Machine vision technology aims to simulate and emulate the human visual system through algorithms and models that enable computers to "see" and understand information in images or videos.
This word is believed that as long as you are familiar with the digital field, you will not be unfamiliar with it. Resolution is the precision of screen image, which refers to the number of pixels displayed by the display. Since the dots, lines and surfaces on the screen are all composed of pixels, the more pixels the display can display, the finer the picture will be, and the more information can be displayed in the same screen area, so the resolution is one of the very important performance indicators. The whole image can be thought of as a large chessboard, and the resolution is expressed by the number of intersection points of all longitude and latitude lines.
After using iPhone for a long time, you will find that more and more storage space is taken up, especially for the "Other" item, which tends to take up more and more space.
As we all know, using a camera to take pictures requires sensitive materials to record images. The sensitive material of traditional cameras is film, while the sensitive material of digital cameras is light sensitive elements (CCD or COMS). Compared with the area of 35mm film, if the size of the sensor area is close to or equal to that of 35mm film, it is a full frame size. The SLR camera with this size is a full frame SLR camera.
AirPods are a line of wireless headphones produced by Apple and are widely popular. Although airpods are waterproof, they are not completely waterproof.
What is the reason for the computer card? How to deal with the computer card? Here are the main reasons why computers are getting more and more stuck
iCloud as a cloud service provided by Apple, users can get 5GB of cloud space for free, if more than 5GB of space we need to buy space, then there is no other way to solve it?