×
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
在这里添加一些文本
Close
Toggle navigation
Home
About Journal
Editorial Board
Council
Call for Papers
Subscription
Advertisement
Contact Us
中文
Effect of COVID-19 Epidemic on Beef Cattle Production and Countermeasures in China
ZHAO Chunping, ZAN Linsen*
Journal of Agricultural Science and Technology . 2020, (
6
): 1 -5 . DOI: 10.13304/j.nykjdb.2020.0122