昌邑市蚕桑产业发展现状及其对策研究

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1、师霧嗎‘嗎＾■囊謹｜‘＇．’．－．＇’‘；．｜＾斬．，：｜非川；，如好＼，＇‘’；＇．‘’．、片媒记带；叫：分类号：謹曜難辕授予学位单位代码：１０４３４？把号：泣０１２０说靡扁擁編＇＇、．坤：巧．．？精薛靖．雪，，：知細巧Ｖ；鱗腺＇．‘＇＇一＇．＇、‘—－：￣＇：＞七■；：＇＇，却‘知呼设中１－．＇过誦Ｐｃｉ义义業乂學胃硕±专业学位论文心．．－．－．肇．｜裙昌邑市蚕桑产业发展现状及其对策研究鐘ｆ告＆ｌｌｇ韻汾ｕｄｙｏｎＤｅｖｅｌｏｐｍｅｎｔＳ加ａｔｉｏｎａｎｄＣ

2、ｏｕｎ化ｒｍｅａｓｕｒｅｓ、．’＊、＇．占＇＇ＯｆＳｅｒｉｃｕＵｕｉｅｉｎＣｈａｎｉ；；ｇｙ、，；藝鑛鷄；兴：，而．涛掉转巧；庭，节拓把Ｖ聚咬趣單萌鞭．■．‘：：皆■；扑叫．托：＇，：背诚：肚１；夺Ｖ叫’護解游’式別潑腸漏議變黃麵汽嚴诞脚姓名：徐菁谋辨載驅酸茲線；韶．、：‘：：；：軒：苗韻蘇学位类别农业推广編焊鲜诚：堪編；装琪；齡所＇義譚鷄漱巧巧林业龍增謂ｉｓ霸雜趙＇＇．．＇觸、仪’、巧町．‘．，女船巧媽Ｉ魄舒皆裤舰＇＾：吗：，蚕朵产业．攀ＩＳ獻研究方向：誤機巍齡巧篮

3、餐＇，＾、：：林巧．学院学．窒城：．巧，賴謙秦議讀满纖議蠢＇４＾＾．指：副城导巧师賊菊苗，其Ｉ．纖議擊錯韻灣苗寒Ｉ…皆蘇’龜謎；＂＇．、成＇诗嫉护喪拱诚推骑读心群愁謂掉准１馬誦２０５年１。２月。日曰．＇，．燃拽．奔載闻诗Ｋ補％淵敏啼纖常：鴻賴章？如．’．．－＇‘‘帘．…＾＇．‘．—；—臟拱；；讀、端義Ｉ茲難＾怠ｉ雛職巧縣雜？论文提交日期：论文答辩日期：学位授予日期：学科门类：答辩委员会主席：目录中文摘要···················································

4、············································IAbstract·······························································································III1绪论···································································································11.1研究的背景及意义·····

5、··········································································11.1.1研究的背景·····················································································11.1.2研究的意义·····················································································21.2

6、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···································································41.3国内外蚕桑产业发展的现状及发展趋势··

7、··················································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··························································

8、·················82.1研究内容·····················································································