图2
点击“全选”，CNKI每次最多可选择500篇文献。如图 3。
Click "Select All" and CNKI can select up to 500 documents each time. As shown in Figure 3.
点击已选择的文献数量，可以进一步进行文献的筛选。点击已选择的数量可以删除一些参考意义较弱的文献，比如会议等。如图 4、图 5。
Click on the number of selected documents to further filter the documents. Click the selected number to delete some documents with weak reference significance, such as conferences. See Figure 4 and Figure 5.
图4
图5
导出所选文献。选择Refworks格式。如图 6。
Export selected documents. Choose Refworks format. As shown in Figure 6.
