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