分面浏览：Issued Date |
| 当前检索式 | ((ALL：environmental factors)) |
| 限定条件 | 无 |
共39条，第1-39条
| 2024 103 | 2023 637 | 2022 1198 |
| 2021 1131 | 2020 1053 | 2019 1057 |
| 2018 889 | 2017 894 | 2016 817 |
| 2015 602 | 2014 538 | 2013 409 |
| 2012 326 | 2011 267 | 2010 304 |
| 2009 294 | 2008 203 | 2007 192 |
| 2006 181 | 2005 165 | 2004 79 |
| 2003 58 | 2002 45 | 2001 41 |
| 2000 21 | 1999 14 | 1998 13 |
| 1997 5 | 1996 11 | 1995 5 |
| 1994 5 | 1993 1 | 1992 4 |
| 1991 3 | 1990 3 | 1989 3 |
| 1988 2 | 1987 2 | 1905 1 |