论文编号:中国农业科学院密级:论文中文题目论文英文题目硕士研究生：指导教师：申请学位类别：X学硕士专业：研究方向：培养单位：XXXX研究所研究生院提交FI期20XX年xHSecrecy:No.ChineseAcademyofAgriculturalSciencesDissertationEnglishTitleMs.Candidate：Supervisor：Major：Specialty：Month2010独创性声明本人声明所呈交的论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文小特别加以标注和致谢的地方外，论文中不包含其他人已经发表或撰写过的研究成果，也不包含为获得中国农业科学院或其它教育机构的淫位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文小作了明确的说明并表示了谢意。DeclarationofOriginalityIherebydeclarethatthisthesiswascomposedandoriginatedentirelybymyselfundertheguidanceofmysuperviso匚Tothebestofmyknowledge,inadditiontoinformationderivedfromthepublishedandunpublishedworksofothersthathasbeenacknowledgedinthetextandalistofreferencesisgiveninthebibliography,thethesisdoesnotcontainanyotherpublishedorunpublishedresearchworkbyothers,oranymaterialsforanotherdegreeordiplomafromtheChineseAcademyofAgriculturalSciencesandothereducationalinstitutions.Theworkscontributedbyothercolleagueshavebeenstatedandacknowledged・关于论文使用授权的声明本人完全了解中国农业科学院有关保留、使用学位论文的规定，即：中国农业科学院有权保留送交论文的复印件和磁盘，允许论文被查阅和借阅，可以采用影印、缩印或扫描等复制手段保存、汇编学位论文。同意中国农业科学院可以用不同方式在不同媒体上发表、传播学位论文的全部或部分内容。AuthorizedUseAgreementIfullyunderstandtheregulationsconcerningreservationandusageofthethesisintheChineseAcademyofAgriculturalSciences:CAASretainstherighttokeepthecopiesanddisksofthethesis,allowittobeaccessedandborrowed,andcomposeitbyphotocopyandscan.CAAScanalsodisseminateandpublishthefullandpartofthethesisindifferentwaysandondifferentmedia.学生签名/Student'ssignature：Date:导师签名/Supervisor^signature：Date:中国农业科学院硕士学位论文评阅人、答辩委员会签名表论文题目论文作者专业研究方向指导教师培养单位（研究所、中心）姓名职称单位专业签名评阅人答辩主席答辩委贝会议记录（秘书）论文答辩吋间地点关键词：XXXXX,XXX,XXXXAbcdefghijklmnKeywords:bed,mn,xdfgheAbstract第一章XXXX.....................................................................................................2.1XXXXXXXX.........................................................................................................12.2xxxxxxx.................................................................................................................12..xxxxxx.............................................................................................................................................13..xxxxxx..............................................................................................................................................I2.3xxxxxxxxx.............................................................................................................1弟一早xxxxxxx....................................................................................................2xxxxx.............................................................................................................................22.LIxxxxx....................................................................................................................................................22.1.2xxxx............................................