1990
乱気流 タービュランス Turbulence 1997
1990
1970
1940
1980
2010
1990
1990
2000
1950
1970
1990
1990
1990
1990
1990
2000
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
1990