滔滔不绝地讲
发表于 2025-3-27 00:40:16
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Malfunction
发表于 2025-3-27 03:47:31
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不持续就爆
发表于 2025-3-27 05:22:21
Jörgen Schmidt-Voigtnt’s fertility policy (single child per family) and its implementation has a strong influence on the aging process. Fewer children are being born, but with more elderly people a conflict arises between the objectives to limit population increase and yet maintain a balanced age structure (Peng and Gu
GAVEL
发表于 2025-3-27 11:11:44
Jörgen Schmidt-Voigtnt’s fertility policy (single child per family) and its implementation has a strong influence on the aging process. Fewer children are being born, but with more elderly people a conflict arises between the objectives to limit population increase and yet maintain a balanced age structure (Peng and Gu
天文台
发表于 2025-3-27 14:17:47
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拒绝
发表于 2025-3-27 18:16:03
nt’s fertility policy (single child per family) and its implementation has a strong influence on the aging process. Fewer children are being born, but with more elderly people a conflict arises between the objectives to limit population increase and yet maintain a balanced age structure (Peng and Gu
intolerance
发表于 2025-3-28 00:51:58
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得罪
发表于 2025-3-28 03:34:32
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迁移
发表于 2025-3-28 06:25:25
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MUT
发表于 2025-3-28 12:33:00
Jörgen Schmidt-Voigtnce on the aging process. Fewer children are being born, but with more elderly people a conflict arises between the objectives to limit population increase and yet maintain a balanced age structure (Peng and Gu978-1-4899-7369-6978-1-4419-8351-0Series ISSN 2197-5841 Series E-ISSN 2197-585X