典型文献
Guardians of Greatness
文献摘要：
Sickle and garbage bag in hand, 66-yearold patroller Zhang Heshan steps onto the Great Wall he has been keeping a watchful eye on ever since he was a young man of only 23. Every summer day, he kicks off his rounds at the crack of dawn.
文献关键词：
中图分类号：
作者姓名：
Yuan Yuan
作者机构：
文献出处：
引用格式：
[1]Yuan Yuan-.Guardians of Greatness)[J].北京周报（英文版）,2022(25):38-39
A类：
Guardians,Greatness,Sickle,yearold,patroller,Heshan,watchful
B类：
garbage,hand,Zhang,steps,onto,Wall,has,been,keeping,eye,ever,since,was,young,man,only,Every,summer,day,kicks,off,his,rounds,crack,dawn
AB值：
0.535
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机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
