According to the 3GPP 38.101 protocol, 5G NR mainly uses two frequencies:FR1 and FR2.The frequency range of the FR1 band is 450 MHz-6 GHz, also known as the sub 6GHz band; the frequency range of the FR2 band is 24.25 GHz-52.6 GHz, which is commonly referred to as millimeter wave. Millime ...
Acne is a multifactorial disease, the development of which is mainly related to the level of sex hormones, sebaceous glands large secretion, proliferation of Propionibacterium acnes, abnormal keratinization and inflammation of follicular sebaceous gland ducts. With the arrival of pube ...
Wedding is every girl's most desired sacred temple, and the Western-style lawn wedding is full of romantic and beautiful atmosphere, now the 80, 90 after the bride and groom to choose a lawn wedding is also more and more, Lou below to take you to see the Western-style lawn wedding proces ...
With the increasing demand for fresh food distribution, cold chain logistics has emerged to provide great convenience for fresh food storage and transportation. Fresh food from all over the world is transported by farmers in refrigerated trucks to various parts of China. Weather and climat ...
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