分面浏览：发表日期 |
| 当前检索式 | ((ALL：演化)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 133 | 2016 158 | 2015 174 |
| 2014 206 | 2013 241 | 2012 368 |
| 2011 190 | 2010 173 | 2009 232 |
| 2008 154 | 2007 212 | 2006 191 |
| 2005 161 | 2004 150 | 2003 80 |
| 2002 94 | 2001 63 | 2000 82 |
| 1999 58 | 1998 45 | 1997 43 |
| 1996 40 | 1995 41 | 1994 23 |
| 1993 19 | 1992 11 | 1991 17 |
| 1990 7 | 1989 16 | 1988 11 |
| 1987 7 | 1986 6 | 1985 1 |
| 1984 7 | 1983 8 | 1982 7 |
| 1981 7 | 1980 3 | 1979 7 |
| 1978 3 | 1976 1 | 1965 1 |
| 1963 1 | 1960 1 | 1959 1 |
