分面浏览：发表日期 |
| 当前检索式 | ((ALL：slope gradient)) |
| 限定条件 | 无 |
| 2024 4 | 2023 5 | 2022 6 |
| 2021 41 | 2020 58 | 2019 63 |
| 2018 75 | 2017 79 | 2016 75 |
| 2015 55 | 2014 63 | 2013 70 |
| 2012 54 | 2011 47 | 2010 52 |
| 2009 40 | 2008 31 | 2007 34 |
| 2006 33 | 2005 19 | 2004 18 |
| 2003 9 | 2002 11 | 2001 12 |
| 2000 10 | 1999 4 | 1998 4 |
| 1997 3 | 1996 3 | 1995 1 |
| 1994 1 | 1992 7 | 1991 3 |
| 1990 1 | 1989 1 | 1988 1 |
| 1985 1 |
