In 2019, Google's Sycamore declared a quantum advantage over traditional supercomputers in solving a sampling task in 200 seconds, but Chinese scientists challenged that advantage in 2023, cutting the ...
HANGZHOU, March 4 (Xinhua) -- China's participation in the global climate governance system is indispensable, said Jim Skea, chair of the Intergovernmental Panel on Climate Change (IPCC), in an ...
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