The plastic nuclear track detector CR-39 is exposed for about 10 hours in balloon observation in 1982.The relative abundance (E>3.6 GeV/n) of the galactic cosmic rays is obtained and compared the result with the satellite data.
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释义
在1982年的气球飞行中;球载塑料核径迹探测器CR-39在气球高度飞行了10小时.;测得E>3
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