. _:b20110 . _:b20035 . _:b20034 . . . _:b20034 . "specific energy"@en . _:b20034 _:b20035 . . _:b20035 . "Specific energy is energy per unit mass."@en . _:b20035 . _:b20034 . _:b20110 . _:b20110 . _:b20110 .