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playback press in recent decades, China's incidence of lung cancer increased by 4 times. China Meteorological Administration, Guangzhou Institute of Tropical Marine weather through the long-term monitoring revealed that the letter has become灰霾"health killers", the harm is the most direct cause of lung cancer, especially in urban areas. The results of their research published in the United States has been well-known "Atmospheric Environment" magazine. See - 灰霾can promote a high incidence of lung cancer China Meteorological Administration, Guangzhou, a researcher at the Institute of Tropical Marine Meteorological against Wu What is灰霾 sounds, Haze is a relatively new concept, but in fact there has always been the. However, the ancient dust haze refers to wind down tremendously, and now the haze is灰霾, meaning that the air which a large number of floating dust, dust weather phenomena. 灰霾English as the haze. China Meteorological Administration for灰霾is defined as: a large number of very fine particles, such as dry floating in the air evenly, so that the level of visibility of less than 10 km of the air is generally turbid, so that distant objects Microstrip bright yellow, red, slightly so that the dark blue material. visibility we will be
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