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At the core of the package is a set of directional loudspeakers that limit the transmission of sound waves to a finite space. The speakers are heard only by dancers inside the acoustic zone, without spreading noise all around.
At the heart of people-to-people exchange are young people, Vice-Premier Liu Yandong said on Thursday.
At the same time, the lingering heat in central and eastern regions is good for rice harvesting and drying, but could cause drought in some places. Also, the heat could harm some vegetables and fisheries, authority said on Tuesday.
At the 2019 WAIC, the two entrepreneurs shared their insights on the capabilities of AI and the impacts of AI on human beings, ranging from jobs, education to environmental sustainability.
At the same time, Chinese residents used silver ingots to trade for goods, which came from different workshops and varied in weight and color.
来源：资阳报