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People visit the 2018 Beijing International Audiology Conference in Beijing, capital of China, June 2, 2018. The 2018 Beijing International Audiology Conference kicked off here Saturday. (Xinhua/Lu Peng)
People visit the 2018 Beijing International Audiology Conference in Beijing, capital of China, June 2, 2018. The 2018 Beijing International Audiology Conference kicked off here Saturday. (Xinhua/Lu Peng)