分面浏览：发表日期 |
| 当前检索式 | ((ALL：principal component analysis)) |
| 限定条件 | 无 |
| 2023 15 | 2022 53 | 2021 91 |
| 2020 144 | 2019 262 | 2018 339 |
| 2017 331 | 2016 374 | 2015 326 |
| 2014 317 | 2013 264 | 2012 236 |
| 2011 209 | 2010 317 | 2009 183 |
| 2008 132 | 2007 92 | 2006 106 |
| 2005 78 | 2004 36 | 2003 28 |
| 2002 19 | 2001 15 | 2000 10 |
| 1999 5 | 1998 8 | 1997 2 |
| 1996 1 | 1995 5 | 1994 1 |
| 1993 1 | 1992 1 | 1991 2 |
| 1990 1 | 1988 1 | 1985 1 |
