中国宇航员已成功完成在天宫空间站的任务，创下了中国乘组在轨停留时间的新纪录，超过200天。神舟21号乘组安全返回地球，着陆于东风着陆场。他们的任务包括一项涉及人造胚胎的成功实验，旨在研究零重力下的繁殖。 AI
排序理由 该集群报道了在太空任务期间进行的一项科学实验，属于研究范畴。[lever_c_降级自研究：ic=1 ai=0.1]
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中国宇航员在天宫空间站创下新的停留时间纪录
本文如何被排名
- Signal score
- 0 / 100
- Composite score across the factors below. Higher = stronger signal that this story matters right now.
- Newsworthiness bucket
- Tool
- 该集群报道了在太空任务期间进行的一项科学实验，属于研究范畴。[lever_c_降级自研究：ic=1 ai=0.1]
- Source corroboration
- Single-source cluster
- Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
- Topics
- other
- Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
- AI-industry relevance
- Low
- Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
- Story freshness
- 132 days old
- Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
完整方法见我们的编辑标准。
报道来源 [1]
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中国宇航员安全着陆于前绝密核导弹试验场
The Shenzhou-21 astronauts returned to Earth on Friday after staying in Tiangong space station for more than 200 days, establishing the record for longest on-orbit stay by a Chinese crew. The trio touched down at the Dongfeng landing site in the Inner Mongolia autonomous region a…