1990
乱気流 タービュランス Turbulence 1997
1990
2000
1980
1960
1960
1950
1990
2020
1970
1970
1990
1990
1970
1980
2000
1970
1990
1980
1980
1980
1980
1980
1980
1980
1980
1960
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
2020
1990
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980
1980