| 释义 |
pibal
pibal (ˈpaɪbəl) n (Aeronautics) aeronautics a small helium filled pilot balloon that is used to measure changes of wind speed and direction as altitude increases
pibal
pibal[′pī‚bal] (meteorology) pilot-balloon observation PIBAL
| Acronym | Definition |
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| PIBAL➣Pilot Balloon | | PIBAL➣Polytechnic Institute of Brooklyn Aeronautical Laboratory |
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