Dynamic trend of COVID-19 in worst-hit countries outside China
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How many people have been infected with the novel coronavirus in the worst-hit countries outside China in March? Take a look at the dynamic trend.
- Yellow River maintains good water quality for 3 consecutive years
- Chinese team designs tiny robot sensor for tasks inside bodies
- Chinese researchers develop movable electrode for more advanced brain-computer interfaces
- China launches construction of high-precision telescope project on 'roof of the world'
- South China city reports over 1,700 Chikungunya cases
- Xinjiang starts building new expressway linking north and south