分面浏览：发表日期 |
| 当前检索式 | ((ALL：主成分分析)) |
| 限定条件 | ((内容类型：学位论文)) |
| 2023 5 | 2022 5 | 2021 15 |
| 2020 15 | 2019 31 | 2018 47 |
| 2017 87 | 2016 89 | 2015 95 |
| 2014 111 | 2013 97 | 2012 98 |
| 2011 95 | 2010 86 | 2009 83 |
| 2008 67 | 2007 59 | 2006 65 |
| 2005 40 | 2004 17 | 2003 13 |
| 2002 7 | 2001 3 | 2000 6 |
| 1999 1 | 1998 2 | 1997 1 |
| 1996 2 | 1995 1 | 1994 1 |
| 1993 2 | 1992 4 | 1991 1 |
| 1989 1 | 1988 4 | 1986 2 |
| 1985 1 |
