昌邑市蚕桑产业发展现状及其对策研究.pdf

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1、目录中文摘要·······························································································IAbstract·······························································································III1绪论·······························································

2、····································11.1研究的背景及意义···············································································11.1.1研究的背景·····················································································11.1.2研究的意义········································

3、·············································21.2国内外蚕桑产业发展的历史···································································31.2.1国外蚕桑产业发展的历史···································································31.2.2国内蚕桑产业发展的历史·············································

4、······················41.3国内外蚕桑产业发展的现状及发展趋势····················································51.3.1国外蚕桑产业发展的现状及发展趋势·····················································51.3.2国内蚕桑产业发展的现状及发展趋势·····················································62研究的主要内容与方法·················

5、··························································82.1研究内容···························································································82.2研究方法···························································································82.3研究目标··········

6、·················································································82.4本论文的创新之处···············································································82.5技术路线···························································································93昌

7、邑市蚕桑产业的现状···········································································93.1昌邑市蚕桑产业发展的趋势···································································93.1.1自然资源优势··················································································93.1.2社会经济条件优

8、势···········································································103.2昌