In the months before, space agency officials were in frequent contact with the State Department, which disseminated the latest predicted trajectories to embassies across the world. In these situations, oops doesn’t cut it: When one of the Salyuts, a Soviet space station model, was deorbited a few decades ago, flaming bits were littered across Argentina, scaring people and requiring the deployment of at least a few firefighters, according to local newspaper reports.
Once a transaction is confirmed, it is placed in a block after the confirmation. All of the blocks are chained together to create a permanent history of every transaction.
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10. Change log¶
英伟达：5G 不够用，6G 须由 AI 驱动