分面浏览：发表日期 |
| 当前检索式 | ((ALL：Electric frequency control)) |
| 限定条件 | 无 |
| 2022 8 | 2021 5 | 2020 7 |
| 2019 17 | 2018 31 | 2017 22 |
| 2016 33 | 2015 27 | 2014 26 |
| 2013 18 | 2012 19 | 2011 25 |
| 2010 135 | 2009 22 | 2008 13 |
| 2007 14 | 2006 5 | 2005 2 |
| 2004 1 | 2003 3 | 2002 4 |
| 2001 3 | 1999 6 | 1998 4 |
| 1996 2 | 1995 3 | 1993 2 |
| 1991 1 | 1990 3 | 1989 4 |
| 1988 3 | 1986 2 | 1984 1 |
| 1972 2 |
