1990
乱気流 タービュランス Turbulence 1997
1990
1950
1990
2000
2010
2010
1980
1930
1970
2000
1990
1950
1990
1990
1990
1950
1970
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
2000
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