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Text | Science Wormhole Winter in the Arctic is very cold. The average temperature in January is between minus 40°C and 0°C, and some areas can reach minus 50°C in winter. In such a cold Arctic Circle, there are some people who have settled for generations. They are the Inuit.
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According to reports, China's import dependence on high-end scientific instruments ranks in the top three along with chips and oil, with the import dependence reaching 90%, which is higher than chips and oil. At a time when China's scientific research is advancing to the high end
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In the two women's singles quarter-finals last night, No. 3 seed Kareem Abdul-Jabbar reversed Czech player Bozkova in three sets and reached the semi-finals of a Grand Slam for the first time in her career, creating a first for an Arab female tennis player. new history.
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Foreword After the Sima family established the Jin Dynasty, they established a unique military governance system of the Jin Dynasty with the Sima family as the core. The military governance system of the Jin Dynasty was full of family-style centralized rule, which represented the
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