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Signs of birth. Since the middle of the 20th century, technology has grown faster and faster. It was only six and a half years since the discovery of uranium fission in January 1939 to the first atomic bomb exploded in July 1945. The emergence of electronic computers has led to more profound changes in the fields of human social life. These technological breakthroughs can be called technological revolutions
If the child appears cold, the symptom is not serious, had better be in the home nurse, observe, do not take the child to the hospital easily, the personnel in the hospital is much, the bacterium is much, very easy appear cross infection. Also don't worry about the cold into pneumonia, pneumonia is a serious respiratory tract infection, systemic symptom must be heavier, and the child mental state is poor, and a cold there is obvious difference, don't ailment rectification.
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