经度指数 | 强年(>1) | 1951 | 1953 | 1957 | 1959 | 1961 | 1964 | 1972 | 1990 |
2003 | 2014 |
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弱年(<–1) | 1973 | 1978 | 1979 | 1988 | 2002 | 2004 | 2009 | 2011 | |
2016 |
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纬度指数 | 强年(>1) | 1950 | 1955 | 1956 | 1960 | 1966 | 1969 | 1970 | 1971 |
1974 | 1977 | 2001 | 2005 | 2006 | 2010 | 2012 |
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弱年(<–1) | 1949 | 1973 | 1978 | 1979 | 1982 | 1983 | 1989 | 1992 | |
1993 | 1997 | 1998 | 2002 | 2004 | 2007 | 2015 |
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