return Vec2 { x: a.x + b.x, y: a.y + b.y };
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，详情可参考新收录的资料
2026-03-09 00:00:00:03014415210http://paper.people.com.cn/rmrb/pc/content/202603/09/content_30144152.htmlhttp://paper.people.com.cn/rmrb/pad/content/202603/09/content_30144152.html11921 国产天文大模型突破观测深度极限。业内人士推荐新收录的资料作为进阶阅读
return ok(out);