Key words:Variance;heritability;effect value;hybrid1.绪论：小麦是中国乃至世界的主要粮食之一，相比较普通的小麦品种，良种小麦的适应性、产量、抗病能力等方面有着显著的又是，选育良种小...

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2.企业的资产结构.123.企业的盈利能力…12五、苏宁电器集团偿债能力存在的问题.13(一)存货积压.13(二)持有现金过多….13(三)应收账款管理不当.….13六、提高企业偿债能力的建议及对策14(一)解决...

本科论文AbstractLearning English is to expand the influence of Chinese culture in the world,to lay the foundation for students to communicate with the world better,and tolet the wo...

毕业论文（设计）the level of students'recall from their cultural background knowledge and from thecontextual clues about cultural origins as well as college students and high middl...

本科论文AbstractIn the current English Teaching in primary schools in China,thesignificance of reading teaching for the whole English teaching has graduallybeen attached importance...

本科论文of the operating environment from the macro and micro perspectives by means of PESTanalysis and SWOT analysis.Based on this analysis and the study of the present situation ...

(3)成功研制了InAsSb nBn结构中波红外光电探测器单元器件，在-0.2V偏压下，量子效率能够达到60%以上，300K时探测器的探测率可以到10cHz2/W量级以上。通过变温I-V曲线发现在低于l80K时，pin器件...

本科论文AbstractNowadays,with the rapid development of China's economy and information,knowledgeand talents are the core force to promote the development of economy and information...

毕业论文（设计）1.IntroductionEnglish as a global language,plays an increasingly important part in the world.In our country,the demand for people who can successfully communicate i...