求翻译：制造业部门具有技术外溢和边干边学的特征,而初级产业部门则缺乏联系效应和外部性甚至对人力资本的要求也相当低,因此就长期而言,这样的产业结构往往会使人才外流而导致经济衰退是什么意思？

制造业部门具有技术外溢和边干边学的特征,而初级产业部门则缺乏联系效应和外部性甚至对人力资本的要求也相当低,因此就长期而言,这样的产业结构往往会使人才外流and lead to economic recession

The manufacturing sector with technology spillovers and learning-by-feature, and primary sector is lack of contact and an external effects on human capital, and even the requirements are quite low, so in the long term, the industry structure will tend to lead to economic recession and brain drain

The manufacturing industry department has the characteristic which the technical overflow and does while studies, but the primary industrial department lacks the relation effect and exterior nature also quite is even low to the human capital request, therefore speaking of for a long time, such indus

Manufacturing sector has the characteristics of technology spillovers and learning by doing, while the primary sector is the lack of communication effects and externalities, and even on the human capital requirements are relatively low, so in the long term, this tended to lead to a brain drain of in

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