1990
乱気流 タービュランス Turbulence 1997
1990
2000
2000
1950
2020
1990
1990
2020
1990
1990
1950
1960
1940
1980
1990
2000
2000
2010
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
2000
1990
1990
1990
1990
1990
1990