分面浏览：发表日期 |
| 当前检索式 | ((ALL：平衡值)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 4 | 2016 6 | 2015 4 |
| 2014 7 | 2013 6 | 2012 16 |
| 2011 5 | 2010 7 | 2009 6 |
| 2008 3 | 2007 3 | 2006 7 |
| 2005 9 | 2004 5 | 2003 10 |
| 2002 4 | 2001 9 | 2000 2 |
| 1999 1 | 1998 2 | 1997 2 |
| 1996 2 | 1995 4 | 1994 2 |
| 1993 1 | 1992 4 | 1991 3 |
| 1989 3 | 1988 3 | 1987 5 |
| 1986 5 | 1985 2 | 1984 1 |
| 1983 1 | 1982 1 | 1981 2 |
| 1980 1 | 1965 1 | 1963 1 |
