河工大文献检索第三次作业+答案+指导 - 图文

第一条记 录的篇名 刊物名称 年、卷

单击“开启全文”浏览全文。

文本复制功能：可将该部分文字粘贴到别的文字处理软件中。 位图复制功能：可将选中的矩形部分粘贴到剪贴板上，格式为位图。

4、请找出该系统使用的逻辑算符、位置算符和截词算符分别用哪些词汇和符号表示。

答：

Operator AND Sample Use internet AND programming internet OR programming Find articles containing ... internet and programming in the same article. internet or programming, or both, anywhere in the entire article. OR NOT internet AND NOT internet but not programming. programming internet NEAR/3 internet occurs within 3 words programming near programming. internet ADJ programming internet W/3 programming int??net inter* programming appears immediately after internet. programming occurs within 3 words after internet. matches internet, intranet... matches inter, internet, international... matches program, programmed, programming, programmer... matches program, but not programmed, programming, programmer... NEAR ADJ W/n ? * + program+ # program#

实习指导

单击“使用说明”。

找到“Search Tips”（检索提示）中的“Search Operators”（运算符），单击。

从下图所示表格中找出题目要求的内容。

三、WorldSciNet全文期刊数据库：