1990
乱気流 タービュランス Turbulence 1997
1990
1980
2000
2010
1990
1970
1990
1990
1980
1980
1940
1990
1980
1960
1990
1990
1990
1950
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990