分面浏览：发表日期 |
| 当前检索式 | ((ALL：Yan, Cheng)) |
| 限定条件 | ((专题：兰州大学)) |
| 2017 4 | 2016 42 | 2015 59 |
| 2014 61 | 2013 64 | 2012 79 |
| 2011 61 | 2010 57 | 2009 49 |
| 2008 30 | 2007 26 | 2006 24 |
| 2005 25 | 2004 38 | 2003 21 |
| 2002 16 | 2001 14 | 2000 10 |
| 1999 8 | 1998 2 | 1997 5 |
| 1996 6 | 1995 6 | 1994 6 |
| 1993 10 | 1992 9 | 1991 7 |
| 1990 9 | 1989 9 | 1988 4 |
| 1987 2 | 1986 4 | 1985 2 |
| 1984 1 | 1983 2 | 1966 1 |
| 1960 1 | 1959 1 |
