Virtual instruments technology combines the resource of computer with the ability of testing and controlling of instrument hardware in a transparent way . the development of the computer aided test technology gives the emerging of the vi an inevitability , on the other hand , the research and development on the vi and its widely applications in variety fields have been shown its vast perspectives 虚拟仪器技术以透明的方式把计算机的资源和仪器硬件的测控能力结合起来,其产生是计算机辅助测试技术发展的必然趋势,近年来国内外对虚拟仪器的研究开发以及虚拟仪器在各行各业的广泛应用表明了虚拟仪器的广阔前景。
On database and conect with the current condition on the examination theory , wuhan chemical college computer test system aim at the characteristic of the basic computer , use this kind of manner to realize test without paper , in wuhan chemical college we design the the whict computer aided test , use the diffent mode in the different condition . . the clasical test is always used in the final test in term , give a certain point to students according with the present teaching system . the comupter adaptived test is used in trainingto find students ' shortage . the whict computer test can accord to the teaching evaluation system to analyse students ' capacity and papers ' quality for improving our teaching molar 以考试理论为基础并结合实际应用,武汉化工学院考试系统针对计算机基础课特点,采用计算机辅亡玉八硕士学住论文wniaster ’ stifesis助考试方式,实现学科无纸化考试,设计在不同情况下采用不同模式,传统考试应用于学科的考试测验,可以给学生打分,符合现行教学制度,自适应考试用于学生练习,找到自己的不足,考试系统还能够按照教学评估体系的要求对学生能力和试卷质量进行分析,从而达到对教学质量的提局。
Applications of face - fired boilers are not so many on our country ' s industry , so the researches on it , especially on high - duty boilers ( for example 330mw ) , are very limited . and further study is needed to make up for domestic vacancy about this . author of this paper has done some researches on 330mw boiler both in theory and experiments by applying computer aided test ( cat ) principles 对冲燃烧锅炉在我国的应用并不是很多,所以对它所进行的研究极为有限,特别是对于较大容量(如330mw )的机组,相应的试验和数值计算都很少,很多的问题仍等待进一步的研究,本文正是为了填补国内的空白,从理论和试验的角度,运用计算机辅助优化数值试验原理和方法,对330mw对冲锅炉进行研究。