This dissertation starts with review of abundant literature and summarises the concept of organizational learning , model of organizational learning and how to evaluate it , concept of organization structure and its descriptive system , as well as the difficiency of current research on relationship between organizational learning and organization structure 首先，本文通过大量的文献回顾，归纳了组织学习的概念、模型和评估方法，概括了组织结构的概念和指标体系，并根据组织学习和组织结构关系的研究现状指出了以往研究的不足。
Iiiafter classifying the evaluation methods and generalizing the characteristics of the typical evaluation methods of vc projects . the author carries out a conjoined research between evaluation index and evaluation methods of vc projects . at the end of this chapter , author brings up some advices about combined usage tactics of multi evaluation methods 对典型评估方法的特点进行归纳分析，并将评估指标和评估方法进行结合研究，对典型定价方法进行理论分析和实证研究，最后提出了多评估方法综合运用策略。
In this research , the author introduced in turn the conceptual definition , the operational definition , and methods of learning disabilities ( ld ) assessment in the history of america . the author especially presented two most popular definition at present , the definition by u . s . office of education ( usoe ) ( 1976 , 1977 ) , and by national joint committee on learning disabilities ( njcld ) ( 1988 ) 本研究对美国历史上学习障碍的概念性定义、操作性定义和评估方法依次作了介绍，并特别介绍了美国当前最流行的两个定义：美国联邦教育部( 1976 ， 1977 )和全美学习障碍联合委员会( 1988 )的定义。
