1990
乱気流 タービュランス Turbulence 1997
1990
1960
1960
1990
1990
1990
1990
1990
1940
2010
2020
1990
1990
1970
2010
2000
1980
1960
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
2010
2000
2000
2000
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
2000