分面浏览：发表日期 |
| 当前检索式 | ((ALL：测定条件)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 5 | 2016 9 | 2015 11 |
| 2014 9 | 2013 8 | 2012 33 |
| 2011 12 | 2010 12 | 2009 11 |
| 2008 17 | 2007 10 | 2006 19 |
| 2005 24 | 2004 31 | 2003 32 |
| 2002 17 | 2001 17 | 2000 23 |
| 1999 19 | 1998 9 | 1997 11 |
| 1996 7 | 1995 7 | 1994 10 |
| 1993 16 | 1992 13 | 1991 13 |
| 1990 6 | 1989 13 | 1988 16 |
| 1987 9 | 1986 13 | 1985 3 |
| 1984 5 | 1983 18 | 1982 14 |
| 1981 6 | 1980 4 | 1979 4 |
| 1978 3 | 1974 1 | 1973 1 |
| 1965 2 | 1964 3 | 1959 2 |
| 1958 1 | 1957 1 |
