- aerostatic umbrella
- бот. парашют, парус* * *• парашют• парус
English-russian biological dictionary. 2013.
aerostatic umbrella
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Thermal airship — A thermal airship is an airship that generates its lift via the difference in density due to a temperature differential between the gas inside its envelope and the ambient air. (This is in contrast to the more common use of helium to provide lift … Wikipedia
