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The 20-year development process of China's e-commerce: a complete evolution from germination to maturity

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  01 The development history of China's e-commerce The 20-year changes of China's e-commerce, from the embryonic period to the mature stage, have gone through multiple stages of development and change. These stages have witnessed the gradual transition of e-commerce from the initial B2B model to today's mobile shopping and new retail models. △ Embryonic period (1997-1999) In the  embryonic stage , due to the relatively low level of informatization and the small base of online shoppers, the public's understanding of e-commerce is limited. Domestic e-commerce websites are still in a state of exploration and embryony, and their main business is to assist small and medium-sized enterprises in B2B foreign trade transactions. During this period, e-commerce platforms such as China Chemical Network, 8848, Alibaba and eBay were born one after another. △ Infrastructure period (2000-2007) With the continuous progress of Internet technology, the progress of Internet technology  dur...
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Interview with Google's Quantum AI Team: Why is Willow a milestone breakthrough?

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  Author|Zhou Ya When it comes to quantum computing, the American theoretical physicist Richard Feynman once said something memorable: "Nature is not classical, and if you want to simulate nature, you'd better turn it into quantum mechanics." ” Over the past 30 years, quantum computing has had a fundamental challenge: as the number of qubits increases, the error rate rises dramatically. However, this seemingly insurmountable gap has now finally dawned on a breakthrough. On November 23, 2019, Google published a quantum computing breakthrough in the journal Nature, Google's superconducting quantum chip  Sycamore  completed a calculation in only 200 seconds, and the world's fastest supercomputer takes 10,000 years. Sundar Pichai, Google's CEO at the time, likened it to "the Wright brothers' first 12-second flight." On December 10, 2024, Google published the research results of the latest quantum chip  Willow  in Nature, which once again made a miles...
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