( Measuring ( ( temperature ( , ( air ( pressure ( and ( other properties ) ) ) ) ) ) ( of ( the atmosphere ) ) ) )
(ROOT (S (VP (VBG Measuring) (NP (NP (NN temperature) (, ,) (NN air) (NN pressure) (CC and) (JJ other) (NNS properties)) (PP (IN of) (NP (DT the) (NN atmosphere)))))))
Measuring temperature, air pressure and other properties of the atmosphere
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NN volume)) (VP (VBZ does) (RB not) (VP (VB change))))) (, ,) (NP (NN temperature)) (VP (VBZ is) (ADJP (JJ proportional) (S (VP (TO to) (VP (VB pressure)))))) (. .)))