1990
乱気流 タービュランス Turbulence 1997
1990
1920
1990
1980
1980
1970
1990
1930
2000
1990
2000
1980
1990
1990
1990
1940
2010
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
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990