扩张
发表于 2025-3-30 09:43:08
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音乐学者
发表于 2025-3-30 14:49:32
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勉励
发表于 2025-3-30 19:04:20
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贞洁
发表于 2025-3-30 23:43:33
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lactic
发表于 2025-3-31 02:44:35
Nguyen Phong Nguyen,Emmanuel Mogajiage income of agricultural hired labor and regional inequality in income. It analyzes the distribution and influencing mechanism of agricultural hired labor income using a nonparametric Gaussian kernel density estimation. Results show that there were regional inequalities but no polarization in aver