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16:30, 20-Mar-2019
China conducts first initial 4D trajectory flight trial
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China conducted its first initial 4D (i4D) trajectory flight trial after completing 22 scenario tests during a 3,800-kilometer flight, which marks China as the first country to conduct such flight trials after Europe conducted them in 2012 and 2014.
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Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3