北青：U22国足12月7日重新集中备战，将集训一个月（北青：U22国足将于12月7日再度集结备战，开启为期一个月集训）

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I'm summing up that the U22 China team will reconvene on December 7 for a month-long camp. We want to avoid fabricating details, so I should mention that the goals might be to prepare for the Asian Cup U23 or Olympic qualifiers. As of 2025, the U22 is for the 2003-2004 age groups, potentially preparing for the 2026 U23 Asian Cup. If the user wants, I can check the latest roster and schedule. I’ll ask for their preference on details!