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Every year, 12,000 to 14,000 e【小题1】 happen around the world, killing tens of thousands of lives. So when scientists talk about monitoring(监测)earthquakes, every second counts. Recently, a new AI system d【小题2】 by China is shortening the time it will take to detect(探测)earthquakes.

After an earthquake happens, most researchers can quickly release(发布)the time, p【小题3】, magnitude(震级)and depth of the earthquake. H【小题4】, they often don’t include the focal mechanism parameters(震源机制参数), which can be used to predict(预测)the possible distribution(分布)of strong aftershocks(余震).

“It t【小题5】 three to 10 minutes for other countries to release the focal mechanism parameters, but by this time, the earthquake has fully happened and the h【小题6】has been done,” Zhu said. “This new system can p【小题7】 the focal mechanism parameters in just one second and release the information before the aftershocks reach some areas.”

“If we are a【小题8】 to receive the warning information three seconds earlier after an earthquake happens, we’ll be able to r【小题9】 the wounded by 14 %. With 10 seconds earlier, the wounded can be reduced by 39%.” Zhu said.

This improvement is possible thanks to a deep learning method. The system is trained with millions of earthquake samples(样本). It’s now t【小题10】 in Yunnan and Sichuan provinces.

21-22九年级上·天津滨海新·期末
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