×
模态框（Modal）标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框（Modal）标题
×
导航切换
Journal of Northeastern University(Natural Science)
Home
About Journal
Editorial Board
Guide to Authors
Subscribe
Contacts us
中文
A Topic Model for Extracting Expansion Items
ZHANG Bo， ZHANG Bin， GAO Kening
Journal of Northeastern University . 2013, (
3
): 348 -350 . DOI: -
