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A new critique in the scientific journal Nature is raising fresh questions about Microsoft's claimed quantum computing breakthrough last year, which underpinned the company's announcement this month that it will have a working quantum system by 2029.
Like Big Tech rivals IBM, Alphabet's Google and others, Microsoft is developing its own quantum computer. But while rivals are engineering machines based on better-understood quantum technologies, Microsoft has spent nearly two decades trying to break new scientific ground on a technology it says could help it leapfrog competitors.
《自然》科学期刊上发表的一篇新评论，正在对微软去年宣称的量子计算突破提出新的质疑，该突破支撑了微软本月宣布将在2029年前建成实用量子系统的计划。
与IBM、Alphabet旗下谷歌等大型科技竞争对手一样，微软也在开发自己的量子计算机。但与竞争对手基于更成熟的量子技术不同，微软花了近二十年时间试图在一种据称能帮助其超越竞争对手的技术上开拓新的科学领域。
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