Out of sync
The American Highway Capacity Manual (HCM) defines the service level (LOS).
Sight distance, sight distance, in wireless communication, the transmitting and receiving antennas must be able to look straight at two points without obstacles in the middle, corresponding to NLOS and NLOS.
LOS is the abbreviation of L- arabinose, which is one of 39 functional products approved by the United States. In 2007, the US FDA listed a magical substance called L- arabinose as an anti-obesity nutritional supplement and over-the-counter drug, and the US Department of Health referred to as LOS for short. LOS around human body fat, through inhibiting fat synthesis, increasing fat excretion, promoting fat burning to fight obesity, has no toxic side effects on human health. After its success in the United States, the product immediately became popular in Europe and the United States.
Japan followed closely, and human experiments proved that the magical slimming effect of ——LOS was also applicable to the physique of yellow people, and L- arabinose was listed as a special health food.
LOS has also made great progress in China. According to the announcement 12 of People's Republic of China (PRC) and Ministry of Health in 2008, L- arabinose was officially approved as a new resource food in China.