...；教育体系；体系缺失；政策困境 [gap=657]Key words: rural areas; women's education; education system; system deficiencies; policy dilemma ...
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她注意到，不同等级的公共教育体系都确实存在高质量 STEM 教育的缺失。
She noticed there was a real void in quality STEM education at all levels of the public educational system.
结论采用无饲养层细胞培养体系构建自体角膜上皮组织，移植后可以成功修复角膜缘干细胞缺失的角膜上皮。
Conclusion the reconstructed rabbit corneal epithelium hi vitro with a free-feeding layer culture system could be autografted to repair total corneal limbal stem cells deficiency.
目的采用无饲养层细胞培养体系构建家兔角膜上皮组织，自体移植后观察其对角膜缘干细胞缺失的治疗效果。
Objective to reconstruct rabbit corneal epithelium in vitro with a free-feeding layer culture system and autograft to treat limbal stem cells deficiency.
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