As for the peculiarity of strong practicality and operationality of computer courses, we should instruct students to learn to study while doing and learn to do while studying, and let them understand and acquire knowledge with the computer's unique advance 摘要针对计算机课程具有实践性和操作性强的特点,我们要引导学生学会“做中学,学中做”,并以其独特的先进性让学生去自悟、自得。
In view of uncertain factors of an enterprise's loyalty to its staff, this paper applies the conception and methods of fuzzy mathematics to set up a model with many levels of fuzzy evaluation, which has great practicality and operationality, and can give some guidance to an enterprise 本文针对企业对员工忠诚存在的不确定因素,应用模糊数学的概念和方法,建立了企业忠诚度的多层次模糊评价模型,该方法具有较强的实用性和可操作性,能够对企业起到一定的指导作用。
In rup, use cases drive whole core work flow, that is . from reqirement capture . through analysis . design and implementation to test . among these, use case analysis technology carries out the following process : firstly, capturmg system's function requirements . developer builds structural requirement model ( use case model ), secondly, identifying class from use case, developer builds class diagram . use case analysis technology can instruct the process of building class diagram, but a fatal shortcoming exists in itthat is, the process of identifying class is easily involved in function decomposing method . and its operationality is limited 该方法中的用况驱动完成了rup中一整套核心工作流(从需求捕获,经由分析、设计和实现,到测试),其中用况分析技术完成的工作是从捕获需求入手,建立结构化的需求模型(用况模型),进而从用况中识别类以得到类图。这种技术对建立类图有一定的指导意义,但有一个致命的缺点,即随着类识别的深入易陷入功能分解法的误区,而且其可操作性也不是很强。