文献检索实验报告.doc

文献检索实验报告
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size.
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
目录
课程实验目的与任务
文献检索课程的意义和学生的认识……………………………………1
本小组的检索主题………………………………………………………3
三、同组同学任务与分工……………………………………………………3
四、检索主题分析……………………………………………………………4
五、检索步骤的制订…………………………………………………………6
六、检索内容…………………………………………………………………7
（1）、实验一………………………………………………………………7
（2）、实验二………………………………………………………………9
（3）、实验三………………………………………………………………16
（4）、实验四………………………………………………………………25
七、检索主题结果的分析与总结……………………………………………33
八、感谢………………………………………………………………………34
九、实验成绩评分表…………………………………………………………35
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
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、文献检索课程的意义和学生的认识
文献检索有助于获取最新知识，及时了解本专业和相关学科的发展动向，指导科学研究的进行。掌握了文献检索的方法能够对文献正确地鉴别，准确地选择，既能继承前人所取得的研究成果，又可吸取当前最新的学术成就，从而避免重复劳动，少走弯路，把研究工作放在新的起点上。节省科研时间，提高工作效率根据国内外有关材料表明，科研人员花费在查找资料上的时间是相当多的，一般占本人工作时间的一半左右。科研人员如果掌信息检索的方法，能熟练地查找自己所需的信息资料，无疑将大大缩短查询信息资料的时间，这等于增加或延长了